{"title":"Lead Weights \u0026 Bolt Kits","description":null,"products":[{"product_id":"puft-fuel-tank-ballast-k155b","title":"PUFT Fuel Tank Ballast for Kart Weight Distribution","description":"\u003cul\u003e\n\u003cli\u003ePrecision-weighted design integrates directly with PUFT fuel tanks.\u003c\/li\u003e\n\u003cli\u003eAdjusts kart's center of gravity for sharper turns and quicker recoveries.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStruggling with uneven handling as your tank lightens? The PUFT Fuel Tank Ballast solves that by providing targeted weight that keeps your kart planted, especially in tight circuits where balance is everything.\u003c\/p\u003e\u003cp\u003eThis compact component (SKU: K155B) is simple to add during routine maintenance, yet its impact on performance is profound. Racers report noticeable improvements in lap consistency, turning good runs into podium finishes. Whether you're a junior driver or pro, it helps organize your chassis for optimal speed without constant readjustments.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the PUFT Fuel Tank Ballast improve my kart's handling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e As your fuel level drops during a race, the kart's weight distribution shifts. This ballast provides consistent weight near the fuel tank, preventing the chassis from becoming too light or unbalanced, which helps maintain grip and stability through tight corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the K155B ballast compatible with all fuel tanks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This ballast is specifically designed for precision integration with PUFT fuel tanks. We recommend using it with compatible PUFT systems to ensure a secure fit and optimal weight distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How difficult is the installation process?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The ballast is designed for easy installation during your routine kart maintenance. It integrates directly with your existing PUFT fuel tank setup, requiring no complex modifications to your chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this ballast for both junior and pro-level racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Whether you are a junior driver learning to manage chassis balance or a pro looking for that extra edge in lap consistency, this ballast helps keep your kart planted and predictable throughout the entire race.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/puftc-replacement-cap-for-puft3-puft5-puftc\"\u003ePUFTC Replacement Cap for PUFT3 and PUFT5 Fuel Tanks\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/puft-replacement-outlet-fitting-cap-k193n\"\u003ePUFT Replacement Outlet Fitting Cap in Black\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PUFT","offers":[{"title":"Default Title","offer_id":52566442311998,"sku":"K155B","price":6.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/tankstrapscapspetcocks-puft-fuel-tank-ballast-k155b.jpg?v=1763116554"},{"product_id":"race-ready-pre-drilled-lead-weight-kit","title":"Race-Ready Pre-Drilled Lead Weight Kit for Kart Racing","description":"\u003cp\u003eThis race-ready pre-drilled lead weight kit is a kart parts option that comes ready to mount with matched hardware. It includes a bolt, nuts, and washers so you do not need to source or match parts.\u003c\/p\u003e\n\u003cp\u003eChoose the correct variant before checkout. Multiple weights are available, and this listing is not limited to 5lb.\u003c\/p\u003e\n\u003cp\u003eIncludes washers described as legal with the kit. Always confirm your series requirements for ballast and marking.\u003c\/p\u003e\n\u003ch2\u003eKarting equipment for race-ready ballast installs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePre-drilled lead weight with mounting hardware included.\u003c\/li\u003e\n\u003cli\u003eIncludes bolt, nuts, and washers in one kit.\u003c\/li\u003e\n\u003cli\u003eRace-ready setup without extra hardware sourcing.\u003c\/li\u003e\n\u003cli\u003eMultiple weight variants available - select the right option.\u003c\/li\u003e\n\u003cli\u003eSolid choice for racing kart parts and karting equipment needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to install lead weight safely\u003c\/h2\u003e\n\u003cp\u003eBallast should be installed securely and checked often. A loose weight can damage the seat, hardware, or chassis and can be unsafe on track. Make sure the mounting bolt, nuts, and washers are in good condition before you install.\u003c!--\n  p--\u003e\u003c\/p\u003e\n\u003cp\u003eMount the weight so it sits flat against the seat or mount surface and the hardware clamps it evenly. Tighten the hardware until it is secure without crushing the seat or over-stressing the mount area. Recheck it after the first session and as part of your normal karting equipment inspection.\u003c\/p\u003e\n\u003cp\u003eWeight location matters. Moving ballast can change balance and how the kart reacts in corners. Placement can influence load transfer and can affect how tires build and hold heat through a run. Make one change at a time, take notes, and follow your series rules.\u003c\/p\u003e\n\u003cp\u003eIf you are unsure where to place ballast for your class or chassis, message us and we can help you plan a safe, legal setup.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eIs this only a 5lb weight?\u003c\/h3\u003e\n\u003cp\u003eNo. This product includes multiple weight options. Select the correct variant for your setup.\u003c\/p\u003e\n\u003ch3\u003eDo I need to paint it or find matching hardware?\u003c\/h3\u003e\n\u003cp\u003eNo. The kit comes ready to mount with a bolt, nuts, and washers included.\u003c\/p\u003e\n\u003ch3\u003eAre washers included?\u003c\/h3\u003e\n\u003cp\u003eYes. The kit includes washers described as legal.\u003c\/p\u003e\n\u003ch3\u003eIs it pre-drilled?\u003c\/h3\u003e\n\u003cp\u003eYes, each weight is pre-drilled.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"2 lb w\/ Hardware + Painted + Drilled","offer_id":52788843479358,"sku":"SK-2lb-Predrilled-W-Bolt","price":14.0,"currency_code":"USD","in_stock":true},{"title":"5 lb w\/ Hardware + Painted + Drilled","offer_id":53298500272446,"sku":"SK-5lb-Predrilled-W-Bolt","price":24.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/lead-weight-installed-bolt-white.jpg?v=1766612273"},{"product_id":"5-lb-white-painted-lead-kart-ballast-weight","title":"5 lb White Painted Lead Kart Ballast Weight with 5\/16\" Bolt Included","description":"\u003cp\u003eOptimize your go-kart's performance with this reliable 5 lb lead ballast weight. Crafted from dense lead and finished in a clean white paint, it provides the exact mass needed to fine-tune handling, balance, and meet competitive weight requirements across various kart classes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecisely weighs 5 pounds for accurate adjustments\u003c\/li\u003e\n\u003cli\u003eWhite painted surface ensures high visibility during pit stops and on-track checks\u003c\/li\u003e\n\u003cli\u003ePre-drilled center hole fits standard 5\/16-inch bolt (bolt included for immediate use)\u003c\/li\u003e\n\u003cli\u003eCompact cylindrical design mounts securely to chassis weight brackets or designated areas\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLead construction delivers superior density, allowing you to add substantial weight without bulky additions that could affect aerodynamics. Whether you're dialing in corner balance, compensating for driver weight, or complying with race regulations, this ballast weight installs quickly and holds firm under high-speed vibrations and g-forces. Racers trust it for consistent results lap after lap.\u003c\/p\u003e\u003cp\u003eIdeal for club, regional, or national events, it's a staple in any kart builder's toolkit. Pair multiple units for custom setups, and enjoy the confidence of hardware built to last through seasons of hard racing.\u003c\/p\u003e\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExact 5 lb lead mass perfect for kart chassis ballasting and balance tuning.\u003c\/li\u003e\n\u003cli\u003eWhite paint finish boosts trackside visibility for quick inspections.\u003c\/li\u003e\n\u003cli\u003eDrilled for 5\/16\" bolt with hardware included for hassle-free mounting.\u003c\/li\u003e\n\u003cli\u003eDense, durable design resists movement during aggressive cornering.\u003c\/li\u003e\n\u003cli\u003eStreamlines weight adjustments to shave seconds off lap times.\u003c\/li\u003e\n\u003cli\u003eUniversal fit for most go-kart frames and weight systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is this weight made of?\u003c\/strong\u003e Solid lead, painted white for protection and visibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the bolt come included?\u003c\/strong\u003e Yes, a 5\/16-inch bolt is provided for easy installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere can I mount it on my kart?\u003c\/strong\u003e Use on any compatible chassis bracket or weight bar designed for 5\/16\" bolts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it suitable for all kart classes?\u003c\/strong\u003e Yes, great for general ballasting in various racing categories.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":53244437954878,"sku":"SK-5lb-Predrilled-W-Bolt","price":26.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Five_LB._Weight.jpg?v=1774900717"}],"url":"https:\/\/swiftkarting.com\/collections\/lead-weights.oembed","provider":"Swift Karting","version":"1.0","type":"link"}