{"title":"Spindle Weldments","description":"\u003cp\u003eSpindle weldments are fabricated front-end assemblies that locate the stub axle and kingpin so the kart can steer. They typically combine a spindle arm, barrel, and shaft that set caster and kingpin inclination on the chassis.\u003c\/p\u003e","products":[{"product_id":"spindle-barrel-spacer-pm-52c","title":"Aluminum Spindle Barrel Spacer for 1.5-Inch Barrels","description":"\u003cp\u003eAdd precise spacing to your spindle setup with the lightweight aluminum PM-52c Spindle Barrel Spacer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCrafted from aluminum for reduced weight and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eOptimized for 1.5-inch barrel applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis spacer allows subtle adjustments that optimize geometry, enhancing cornering grip and straight-line stability. It's a simple way to customize without major rebuilds, keeping your kart agile and responsive. Use it to experiment with setups that maximize tire performance and driver control.\u003c\/p\u003e\u003cp\u003eSKU PM-52c—essential for tinkerers aiming to dial in peak efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the PM-52c Spindle Barrel Spacer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spacer is designed to provide precise spacing on your spindle setup. By adjusting the spacing, you can fine-tune your kart's front-end geometry to improve cornering grip and straight-line stability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spacer compatible with all kart spindles?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PM-52c is specifically optimized for 1.5-inch barrel applications. Please ensure your spindle barrel matches this dimension before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does adding a spindle spacer affect kart handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Adding or removing spacers allows you to make subtle adjustments to your scrub radius and front-end width. This helps you dial in the kart's responsiveness and tire performance without requiring major chassis modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the aluminum construction durable enough for racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the PM-52c is crafted from high-quality aluminum, which offers an excellent strength-to-weight ratio and provides natural corrosion resistance, making it ideal for the rigors of kart racing.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-barrel-pm-87-1-5\"\u003e1.5-Inch Tall Spindle Barrel for Standard Kart Bearings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-straight-pm-89a\"\u003ePerformance Manufacturing PM-89A Straight Right Front Spindle Shaft - 5\/8\" OD x 4.75\" - Universal Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-stepped-pm-89b\"\u003eStepped Right Front Spindle Shaft for Oval and Sprint Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-left-front-short-pm-89c\"\u003ePerformance Manufacturing PM-89C Short Left Front Spindle Shaft - 5\/8\" OD - Oval Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kingpin-washer-kit-1-2-id-pm-99kwk-12\"\u003ePerformance Manufacturing 1\/2\" ID Kingpin Washer Kit - 7\/8\" OD - Universal Sprint Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Manufacturing","offers":[{"title":"Default Title","offer_id":52565399929150,"sku":"PM-52c","price":2.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/spindleweldments-spindle-barrel-spacer-pm-52c.jpg?v=1763116229"},{"product_id":"spindle-shaft-left-front-short-pm-89c","title":"Performance Manufacturing PM-89C Short Left Front Spindle Shaft - 5\/8\" OD - Oval Kart Racing","description":"\u003cp\u003ePrecision steering geometry dictates who wins and who hits the wall in competitive go kart racing, making the PM-89C Short Left Front Spindle Shaft an essential component for serious oval track competitors. Machined from high-grade steel to withstand the brutal lateral loads of left-hand ovals, this 5\/8-inch OD straight shaft drastically reduces scrub radius. By minimizing unsprung weight and optimizing your front-end geometry, it promotes instantaneous steering recovery and superior weight jacking—keeping your chassis glued to the inside line lap after lap.\u003c\/p\u003e\u003ch2\u003eEngineered for Unrelenting Durability in Oval Go Kart Racing\u003c\/h2\u003e\u003cp\u003eWhen you are pushing the limits of grip, reliability is non-negotiable. The PM-89C is purpose-built to endure the relentless stress of high-speed corner entry. Unlike standard shafts that flex under extreme load, this short-profile spindle shaft maintains absolute structural integrity. Whether you are swapping out engine pistons in the pits or dialing in your chassis setup, knowing your front spindle weldment is rock-solid gives you the confidence to dive deeper into every turn.\u003c\/p\u003e\u003ch2\u003ePrecision Alignment: Beyond Tools Tire Changes and Fuel Cans\u003c\/h2\u003e\u003cp\u003eA race-winning pit area requires more than just high-flow fuel cans and rapid tools tire adjustments; it demands bulletproof chassis components. The 2.875-inch bearing length ensures an incredibly secure wheel mounting surface, eliminating vibration and unpredictable handling characteristics. Mechanics and drivers alike rely on its precise machining to align perfectly with standard hubs and bearings.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Your LO206 Carburetor Kit Setup\u003c\/h2\u003e\u003cp\u003eMaximizing the power delivery from your lo206 carburetor kit means nothing if your chassis cannot handle the momentum. This short left front spindle shaft translates your engine's output into pure, uninterrupted cornering speed, ensuring your kart remains stable and predictable under heavy acceleration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8-Inch Outer Diameter:\u003c\/strong\u003e Provides universal compatibility with standard straight-shaft bearings for hassle-free installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.875-Inch Bearing Length:\u003c\/strong\u003e Maximizes wheel hub engagement for a secure, vibration-free mounting solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.50-Inch Vertical Overall Length:\u003c\/strong\u003e Optimized specifically for short-arm configurations on left-hand oval karts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Scrub Radius:\u003c\/strong\u003e Enhances steering responsiveness and minimizes tire drag during aggressive cornering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Steel Construction:\u003c\/strong\u003e Delivers uncompromising durability and resists bending under extreme lateral loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Weight Jacking:\u003c\/strong\u003e Facilitates precise chassis roll, keeping the inside rear tire unloaded for maximum RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined Finish:\u003c\/strong\u003e Ensures exact tolerances for smooth bearing operation and extended component lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spindle shaft compatible with all kart chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PM-89C is designed specifically for oval track karts requiring a short-profile, 5\/8-inch OD spindle shaft. It is optimized for short-arm configurations; please verify your current spindle dimensions before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the 2.875-inch bearing length?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This length provides an extended mounting surface for your wheel hubs. By maximizing engagement, it significantly reduces vibration and ensures the hub remains secure under the high lateral loads experienced during aggressive cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this shaft affect my kart's handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By reducing the scrub radius and minimizing unsprung weight, this shaft improves steering responsiveness and allows for more precise weight jacking. This helps keep the chassis stable and glued to the inside line on left-hand ovals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this spindle shaft?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation requires standard kart maintenance tools. Ensure your front-end geometry is checked and aligned after installation to take full advantage of the improved steering geometry.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-straight-pm-89a\"\u003ePerformance Manufacturing PM-89A Straight Right Front Spindle Shaft - 5\/8\" OD x 4.75\" - Universal Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-stepped-pm-89b\"\u003eStepped Right Front Spindle Shaft for Oval and Sprint Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-barrel-pm-87-1-5\"\u003e1.5-Inch Tall Spindle Barrel for Standard Kart Bearings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/deluxe-tire-wheel-balancer-5-8-pm-43d\"\u003eDeluxe 5\/8\" Shaft Tire and Wheel Balancer for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-043100-quick-change-wheel-balancer-hub-5-8-pm-043100\"\u003eQuick Change 5\/8\" Wheel Balancer Hub for USA Pattern Wheels\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Manufacturing","offers":[{"title":"Default Title","offer_id":52565968781630,"sku":"PM-89C","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/spindleweldments-spindle-shaft-left-front-short-pm-89c.jpg?v=1763116408"},{"product_id":"spindle-shaft-right-front-stepped-pm-89b","title":"Stepped Right Front Spindle Shaft for Oval and Sprint Karts","description":"\u003cul\u003e\n\u003cli\u003eStepped design: 3\/4-inch inner OD (1.5-inch bearing surface) to 5\/8-inch outer (1.125-inch surface).\u003c\/li\u003e\n\u003cli\u003e3\/16-inch step for smooth transitions in wheel assemblies.\u003c\/li\u003e\n\u003cli\u003ePrimarily for right-hand oval, also suits both sides in four-cycle sprints.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis innovative PM-89B Spindle Shaft provides versatility for racers tackling varied track types, ensuring proper bearing seating that reduces friction and heat buildup. The stepped profile allows for larger inner bearings, improving load distribution and cornering poise—key for maintaining momentum in right turns.\u003c\/p\u003e\u003cp\u003eIn oval racing, it excels by supporting aggressive banking without compromising alignment. For four-cycle karts, the dual sizing accommodates heavier setups, delivering responsive steering that helps navigate tight sections swiftly. Overall 4.75-inch length fits standard weldments, making upgrades simple.\u003c\/p\u003e\u003cp\u003eExperience the difference in track feel: tighter lines, less wander, and faster recovery from apexes. It's a staple for competitive teams seeking adaptability without sacrificing durability. SKU PM-89B elevates your front-end game.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the stepped design on this spindle shaft?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The stepped design allows for the use of larger inner bearings, which improves load distribution and cornering poise. This helps reduce friction and heat buildup, leading to more consistent handling through the apex.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spindle shaft compatible with both oval and sprint karts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the PM-89B is primarily designed for right-hand oval racing but is also perfectly suited for use on both sides of four-cycle sprint karts, providing excellent versatility for different track types.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the specific dimensions of the stepped surfaces?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The shaft features a 3\/4-inch inner OD with a 1.5-inch bearing surface, stepping down to a 5\/8-inch outer OD with a 1.125-inch surface. The total length is 4.75 inches, making it compatible with standard weldments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this shaft improve steering performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By providing a more stable bearing seat, this shaft reduces front-end \"wander\" and allows for tighter lines. It is engineered to support aggressive banking in oval racing and provides responsive steering for navigating tight sections in sprint racing.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-straight-pm-89a\"\u003ePerformance Manufacturing PM-89A Straight Right Front Spindle Shaft - 5\/8\" OD x 4.75\" - Universal Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-left-front-short-pm-89c\"\u003ePerformance Manufacturing PM-89C Short Left Front Spindle Shaft - 5\/8\" OD - Oval Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-barrel-pm-87-1-5\"\u003e1.5-Inch Tall Spindle Barrel for Standard Kart Bearings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steering-shaft-pitman-arm-pm-100aa\"\u003ePerformance Manufacturing PM-100AA Pitman Arm - 5\/8\" Shaft - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kingpin-washer-kit-1-2-id-pm-99kwk-12\"\u003ePerformance Manufacturing 1\/2\" ID Kingpin Washer Kit - 7\/8\" OD - Universal Sprint Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Manufacturing","offers":[{"title":"Default Title","offer_id":52565984411966,"sku":"PM-89B","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/spindleweldments-spindle-shaft-right-front-stepped-pm-89b.jpg?v=1763116410"},{"product_id":"spindle-shaft-right-front-straight-pm-89a","title":"Performance Manufacturing PM-89A Straight Right Front Spindle Shaft - 5\/8\" OD x 4.75\" - Universal Kart Chassis","description":"\u003ch2\u003eOptimizing Front-End Geometry for Your Go Kart Engine Setup\u003c\/h2\u003e\u003cp\u003ePrecision geometry dictates your cornering speed, and sourcing the right chassis components from a trusted online kart store is the first step to building a front end that refuses to push. The Performance Manufacturing PM-89A Straight Right Front Spindle Shaft is engineered for fabricators and racers who demand absolute symmetry and structural rigidity. When you are pushing the limits of a high-horsepower go kart engine, any flex or misalignment in your spindle assembly translates directly to scrub and lost momentum. This straight shaft design allows for highly versatile positioning in both right-hand and left-hand configurations, giving builders the freedom to dial in exact scrub radius and track width for maximum mechanical grip.\u003c\/p\u003e\u003ch2\u003eSeamless Integration with Wheel Hubs and Engine Bike Parts\u003c\/h2\u003e\u003cp\u003eFabricating a winning chassis requires components that integrate flawlessly with your existing wheel hubs and steering geometry. The PM-89A features a uniform 5\/8-inch outer diameter with a dedicated 3.5-inch span specifically machined for robust bearing support. With a total length of 4.75 inches, this shaft accommodates extended arm configurations, allowing you to widen the front track for enhanced high-speed stability. Whether you are adapting custom engine bike parts for an outlaw build or fine-tuning a standard sprint chassis, this precision spindle weldment ensures perfectly even rotation and minimizes rolling resistance down the straights.\u003c\/p\u003e\u003ch2\u003ePredictable Handling Meets the Best Go Kart Tires for Racing\u003c\/h2\u003e\u003cp\u003eNeutral handling is the holy grail of competitive karting. By simplifying the process of mirroring your left and right front geometry, the PM-89A streamlines trackside maintenance and critical setup adjustments. When paired with the best go kart tires for racing, this rigid spindle shaft helps sustain rhythm through mixed-turn complexes, drastically reducing lap time variability. Weld this foundational piece into your spindle bracket to guarantee a front end that performs reliably, heat after heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 5\/8-Inch OD:\u003c\/strong\u003e Machined to exact tolerances for seamless integration with standard wheel hubs and high-speed bearings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Bearing Support:\u003c\/strong\u003e Features a 3.5-inch span dedicated to maximizing bearing contact and reducing lateral load stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended 4.75-Inch Total Length:\u003c\/strong\u003e Accommodates wider track widths and extended arm configurations for superior cornering stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Straight Design:\u003c\/strong\u003e Allows for flexible, symmetrical positioning in both right-hand and left-hand spindle setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Weldment:\u003c\/strong\u003e Constructed from high-grade steel to withstand the extreme lateral G-forces of competitive racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e Ensures perfectly even rotation to minimize energy loss and maximize straight-line wheel speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Versatility:\u003c\/strong\u003e Ideal for custom fabrications, outlaw builds, and standard sprint kart chassis repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the PM-89A spindle shaft compatible with all kart wheel hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PM-89A features a standard 5\/8-inch outer diameter, making it compatible with most industry-standard kart wheel hubs and high-speed bearings designed for a 5\/8\" spindle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this shaft for both the left and right sides of my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the PM-89A is a universal straight design, allowing it to be used for both right-hand and left-hand spindle configurations, provided your spindle bracket geometry supports a straight shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the recommended installation method for this spindle shaft?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This shaft is designed as a weldment component. It should be professionally welded into your spindle bracket to ensure structural integrity and proper alignment. Always verify your front-end geometry and scrub radius after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 4.75-inch length affect my kart's track width?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 4.75-inch total length is designed to accommodate extended arm configurations, which allows you to increase your front track width for improved high-speed stability compared to shorter, stock-length shafts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain the spindle shaft for optimal performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect the shaft for signs of bending or stress fractures after heavy impacts. Ensure your bearings are properly greased and that the shaft surface remains free of debris to minimize rolling resistance and friction.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-stepped-pm-89b\"\u003eStepped Right Front Spindle Shaft for Oval and Sprint Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-left-front-short-pm-89c\"\u003ePerformance Manufacturing PM-89C Short Left Front Spindle Shaft - 5\/8\" OD - Oval Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-barrel-pm-87-1-5\"\u003e1.5-Inch Tall Spindle Barrel for Standard Kart Bearings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kingpin-washer-kit-1-2-id-pm-99kwk-12\"\u003ePerformance Manufacturing 1\/2\" ID Kingpin Washer Kit - 7\/8\" OD - Universal Sprint Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/deluxe-tire-wheel-balancer-5-8-pm-43d\"\u003eDeluxe 5\/8\" Shaft Tire and Wheel Balancer for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Manufacturing","offers":[{"title":"Default Title","offer_id":52566221095230,"sku":"PM-89A","price":17.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/spindleweldments-spindle-shaft-right-front-straight-pm-89a.jpg?v=1763116487"},{"product_id":"spindle-barrel-pm-87-1-5","title":"1.5-Inch Tall Spindle Barrel for Standard Kart Bearings","description":"\u003cp\u003eSupport flawless wheel movement with the PM-87-1.5 Spindle Barrel, dimensioned for optimal bearing fitment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1.5-inch height provides necessary clearance and stability.\u003c\/li\u003e\n\u003cli\u003e1.125-inch ID accepts common 1\/2-inch or 7\/16-inch bearings seamlessly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn kart setups, this barrel minimizes rotational drag, allowing more engine power to propel you forward. It's key for maintaining spindle integrity, preventing premature wear that could sideline your races. Weld it into your assembly for a front end that handles precisely, contributing to confident high-speed runs.\u003c\/p\u003e\u003cp\u003eRacers benefit from its standard sizing, making replacements straightforward and cost-effective. Pair with compatible arms for a complete, high-performing system. SKU PM-87-1.5.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I determine if this 1.5-inch spindle barrel is the right size for my kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This barrel features a 1.125-inch ID designed to accept standard 1\/2-inch or 7\/16-inch bearings. Ensure your current spindle assembly requires a 1.5-inch height for proper clearance and alignment before welding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spindle barrel compatible with all kart chassis types?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This is a universal-style component designed for standard kart setups. It is intended to be welded into your existing spindle assembly. Please verify your chassis geometry and current spindle dimensions to ensure the 1.5-inch height meets your specific handling requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of using a dedicated spindle barrel versus a generic spacer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A precision-machined spindle barrel ensures a perfect fit for your bearings, which minimizes rotational drag and prevents premature wear. By maintaining spindle integrity, this part helps ensure your front end handles precisely during high-speed cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation requires welding the barrel into your spindle assembly. We recommend having this performed by a qualified fabricator to ensure the alignment is perfectly square, which is critical for consistent steering and handling.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-straight-pm-89a\"\u003ePerformance Manufacturing PM-89A Straight Right Front Spindle Shaft - 5\/8\" OD x 4.75\" - Universal Kart Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-right-front-stepped-pm-89b\"\u003eStepped Right Front Spindle Shaft for Oval and Sprint Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/spindle-shaft-left-front-short-pm-89c\"\u003ePerformance Manufacturing PM-89C Short Left Front Spindle Shaft - 5\/8\" OD - Oval Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kingpin-washer-kit-1-2-id-pm-99kwk-12\"\u003ePerformance Manufacturing 1\/2\" ID Kingpin Washer Kit - 7\/8\" OD - Universal Sprint Chassis\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-120047-steering-post-assembly-8-5-straight-pm-120047\"\u003e8.5\" Straight Steering Post Assembly for Kart Stability\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Manufacturing","offers":[{"title":"Default Title","offer_id":52566663364926,"sku":"PM-87-1.5","price":11.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/spindleweldments-spindle-barrel-pm-87-1-5.jpg?v=1763116622"},{"product_id":"spindle-arm-pm-98","title":"1\/4-Inch Thick Spindle Arm with Multiple Tie Rod Holes","description":"\u003cp\u003eCustomize your kart's steering with the robust PM-98 Spindle Arm, offering flexibility through its array of mounting options.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1\/4-inch thickness for strength without excess weight.\u003c\/li\u003e\n\u003cli\u003eMultiple 3\/8-inch holes enable precise tie rod adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis arm integrates into spindle weldments to refine Ackermann steering, reducing scrub and enhancing turn-in sharpness. It supports varied track setups, helping you adapt quickly for different conditions. The result? Smoother handling and potential lap time reductions as your kart tracks more predictably.\u003c\/p\u003e\u003cp\u003eEssential for mechanics building or maintaining competitive machines, it ensures durability in high-impact scenarios. SKU PM-98.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the 1\/4-inch thickness important for a spindle arm?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 1\/4-inch thickness provides the ideal balance between structural rigidity and weight. It ensures the arm can withstand high-impact forces during racing without bending, while keeping the front end of your kart as light as possible for better agility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do the multiple tie rod holes help with kart setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The multiple 3\/8-inch holes allow you to adjust your steering geometry, specifically the Ackermann effect. By moving the tie rod mounting point, you can change the sharpness of your turn-in and how the kart tracks through a corner, helping you adapt to different track conditions or grip levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this spindle arm compatible with all kart chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PM-98 is designed to be integrated into spindle weldments. It is a universal-style component intended for mechanics building or maintaining competitive racing karts. Please verify your current spindle design to ensure it can accommodate a weld-on arm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What maintenance should I perform on my steering components?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Regularly inspect your spindle arms for signs of stress, cracks, or deformation, especially after a collision or a heavy impact. Ensure all tie rod hardware is tightened to the manufacturer's specifications and check for any play in the steering linkage to maintain precise handling.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-115a26-slack-steering-shaft-26-pm-115a26\"\u003ePerformance Manufacturing Slack 26\" Steering Shaft - Threaded End - Go Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-115a24-slack-steering-shaft-24-pm-115a24\"\u003e24-Inch Slack Steering Shaft for Precise Kart Control\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-115a22-slack-steering-shaft-22-pm-115a22\"\u003e22\" Slack Steering Shaft for Adjustable Kart Handling\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/steering-shaft-pitman-arm-pm-100aa\"\u003ePerformance Manufacturing PM-100AA Pitman Arm - 5\/8\" Shaft - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm-120047-steering-post-assembly-8-5-straight-pm-120047\"\u003e8.5\" Straight Steering Post Assembly for Kart Stability\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Performance Manufacturing","offers":[{"title":"Default Title","offer_id":52566774087998,"sku":"PM-98","price":9.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/spindleweldments-spindle-arm-pm-98.jpg?v=1763116658"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/spindleweldments-spindle-arm-pm-98.jpg?v=1788974233","url":"https:\/\/swiftkarting.com\/collections\/kart-front-spindle-weldments-arms-barrels-shafts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}