{"title":"Briggs Animal LO206 Modified Open Parts","description":"\u003cp\u003eAftermarket parts for modified and open Briggs Animal and LO206 kart engines. Listings include billet crankcase covers.\u003c\/p\u003e","products":[{"product_id":"arc-6053-billet-duplex-crankcase-cover-arc6053","title":"ARC Racing 6053 Billet Duplex Crankcase Cover - Briggs OHV Stroker - Modified Class","description":"\u003cp\u003eWhen pushing Briggs OHV stroker engines past 10,000 RPM, standard racing go kart parts simply cannot survive the immense internal pressures and parasitic drag. The ARC Racing 6053 Billet Duplex Crankcase Cover is engineered specifically for the 555705 block, delivering the ultimate bottom-end fortification for extreme modified builds. Machined from solid aerospace-grade aluminum, this cover houses duplex timing gears with zero-tolerance precision, ensuring flawless synchronization for extended strokes.\u003c\/p\u003e\u003ch2\u003eBeyond Basic Go Kart Components: The ARC Billet Advantage\u003c\/h2\u003e\u003cp\u003eIn open karting, horsepower is dictated by how efficiently your engine manages friction and heat. This duplex setup guarantees that chain tension remains absolute, eliminating the timing slap that destroys lesser engines. The billet aluminum construction offers superior thermal conductivity, pulling heat away from critical bearings during brutal main events. By optimizing oil splash through integrated baffles, it prevents starvation in high-G corners, reducing oil aeration and maintaining cooler, consistent lubrication so you can hold gears longer in intense battles.\u003c\/p\u003e\u003ch2\u003eSupporting Your Build: From Carb for Go Kart to Bottom-End Strength\u003c\/h2\u003e\u003cp\u003eYou can bolt on the biggest carb for go kart applications available, but without a bulletproof bottom end, that extra fuel and air will only lead to catastrophic failure. The ARC 6053 cover ensures your engine's foundation is as aggressive as your top-end tuning. Trackside, teams running this billet cover report drastically fewer teardowns. The rigid, flex-free seal locks out track contaminants and keeps internal pressures exactly where they belong, allowing tuners to push the boundaries of torque and RPM safely.\u003c\/p\u003e\u003ch2\u003ePrecision Matters: Brake Replacements, Parts of Wheel, and Crankcase Sealing\u003c\/h2\u003e\u003cp\u003eJust as you demand exact tolerances from your brake replacements or the rotational parts of wheel assemblies, your engine's crankcase demands absolute structural integrity. A flexing side cover robs horsepower, misaligns the crank, and destroys bearings. This ARC cover aligns your stroker internals perfectly, yielding a vibration-free run that translates directly to faster lap times. While you might be planning a go kart steering wheel upgrade for better handling, securing your engine's bottom end with this billet cover is the true key to dominating the straights.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExclusive Fitment:\u003c\/strong\u003e Designed specifically for 555705 Briggs OHV blocks utilizing stroker cranks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuplex Gear Housing:\u003c\/strong\u003e Accommodates duplex timing gears for flawless synchronization at extreme RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace Billet Aluminum:\u003c\/strong\u003e CNC-machined for maximum rigidity, eliminating flex and bearing distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Oil Baffling:\u003c\/strong\u003e Integrated internal baffles optimize oil splash and prevent high-G corner starvation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e Billet material pulls heat from the crankcase significantly faster than OEM cast covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParasitic Drag Reduction:\u003c\/strong\u003e Streamlined internals free up hidden horsepower for higher top speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Control:\u003c\/strong\u003e Exacting CNC tolerances align components perfectly for smooth, destructive-harmonic-free runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this crankcase cover compatible with standard Briggs OHV blocks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this cover is specifically engineered for the 555705 Briggs OHV block. It is designed for high-performance builds utilizing stroker cranks and is not intended for stock or standard-stroke applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is a duplex gear housing necessary for my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e When running engines past 10,000 RPM, standard timing setups suffer from \"timing slap\" and chain instability. The duplex housing provides the rigid support needed to keep timing gears perfectly synchronized, preventing catastrophic failure at high RPMs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this cover help with engine cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Because it is machined from aerospace-grade billet aluminum, it offers superior thermal conductivity compared to OEM cast covers, effectively pulling heat away from critical internal bearings during intense racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this cover help prevent oil starvation in corners?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. The ARC 6053 features integrated internal oil baffles that optimize oil splash and prevent aeration, ensuring your engine maintains consistent lubrication even under the high-G forces experienced in competitive karting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need special tools to install this billet cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While it bolts on similarly to an OEM cover, it is a precision-machined component. Ensure your crank and timing components are properly aligned and that you use a high-quality gasket and sealant to maintain the zero-tolerance seal required for modified builds.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc6573-arc-billet-clone-stroker-crank-175-stroke-arc6573\"\u003eARC Billet Clone Stroker Crank with +0.175 Inch Stroke for Enhanced Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-6054-billet-crankcase-cover-arc6054\"\u003earc-6054-billet-crankcase-cover-arc6054\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-billet-predator-crankcase-cover-arc6058\"\u003earc-billet-predator-crankcase-cover-arc6058\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc6521-heavy-duty-wrist-pin-490-x-1-885-arc6521\"\u003eARC Racing 6521 Heavy Duty Wrist Pin - .490\" x 1.885\" - Modified Stroker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc6522hd-heavy-duty-wrist-pin-490-x-2-075-arc6522\"\u003eARC Racing 6522HD Heavy Duty Wrist Pin - .490\" x 2.075\" Extended Stroker - Open Class\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Racing","offers":[{"title":"Default Title","offer_id":52562592334142,"sku":"ARC6053","price":214.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/arc-6053-billet-duplex-crankcase-cover-arc6053_1.jpg?v=1773081534"},{"product_id":"arc-6054-billet-crankcase-cover-arc6054","title":"ARC 6054 Billet Crankcase Cover for Briggs Animal Engines","description":"\u003cp\u003eEngineered for precision in high-stakes kart racing, the ARC 6054 Billet Crankcase Cover transforms your Briggs Animal setup by ensuring superior oil circulation and durability under extreme conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision CNC machining from robust 6061 T-6 aluminum guarantees lightweight strength without sacrificing integrity.\u003c\/li\u003e\n\u003cli\u003eIntegrated cam bearing support stabilizes operations, reducing vibrations that can sap precious horsepower.\u003c\/li\u003e\n\u003cli\u003eUpper oil fill and lower level check port allow quick maintenance, keeping you focused on the race rather than downtime.\u003c\/li\u003e\n\u003cli\u003eSide-mounted oil drain plug simplifies fluid changes, minimizing mess and time at the pit.\u003c\/li\u003e\n\u003cli\u003eThreaded bosses facilitate effortless removal and installation, even during intense race weekends.\u003c\/li\u003e\n\u003cli\u003eFull perimeter gasket seals perfectly, preventing leaks that could lead to engine failure mid-lap.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFlat inner walls promote maximum oil dispersal, ensuring every component stays lubricated for consistent power delivery. The heavy-duty crank bearing boss and indexed crank seal boss enhance alignment, cutting friction and boosting efficiency. This cover isn't just a replacement—it's a performance enhancer that helps shave seconds off your lap times by maintaining peak engine health.\u003c\/p\u003e\u003cp\u003eComplete kit includes mounting hardware, gasket, cam bearing, drain plug, and two oil caps, so you're ready to bolt on and go. Picture may vary slightly from actual product; always verify fitment. Importantly, this cover \u003cb\u003ewill not work with stroker cranks\u003c\/b\u003e, so check your build specs before ordering. For kart enthusiasts chasing that edge in modified and open classes, the ARC 6054 (SKU: ARC6054) delivers reliability that translates directly to faster, more controlled runs on the track. Whether you're dodging competitors or pushing for a personal best, this component keeps your engine running cooler and stronger, indirectly aiding in better organization during rebuilds with its user-friendly design.\u003c\/p\u003e\u003cp\u003eInvest in this billet cover to experience how thoughtful engineering can elevate your racing strategy, from smoother starts to sustained speed through turns.\u003c\/p\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this crankcase cover compatible with stroker crankshafts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the ARC 6054 Billet Crankcase Cover is not compatible with stroker cranks. Please verify your engine build specifications before ordering to ensure proper fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is included in the kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The kit comes complete with the billet cover, mounting hardware, gasket, cam bearing, drain plug, and two oil caps, allowing for a straightforward bolt-on installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this cover improve engine performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By utilizing 6061 T-6 aluminum and an integrated cam bearing support, this cover reduces engine vibrations and improves oil circulation. This helps minimize friction and maintain consistent power delivery, which can lead to improved lap times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this cover simplify engine maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it features an upper oil fill, a lower level check port, and a side-mounted oil drain plug, all designed to make fluid changes and maintenance faster and cleaner at the track.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-billet-rod-stroker-animal-3-625-6240-arc6240\"\u003eARC Stroker Billet Rod for Animal Engines 3.625 Inch #6240\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-billet-rod-animal-3-740-w-4908-pin-mod-6248-arc6248\"\u003eARC Billet Rod Animal Modified 3.740 Inch with .4908 Pin #6248\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-billet-rod-animal-3-287-mod-6249-arc3287mod\"\u003eARC Modified Billet Rod for Animal Engines 3.287 Inch #6249\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-billet-rod-animal-3-287-enduro-6247-arc3287e\"\u003eARC Billet Connecting Rod Animal Enduro 3.287 Inch #6247\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arc-billet-rod-animal-3-281-l-w-enduro-6245-arc3281\"\u003eARC Racing Briggs Animal Billet Connecting Rod - 3.281\" Enduro - WKA Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Racing","offers":[{"title":"Default Title","offer_id":52562592399678,"sku":"ARC6054","price":214.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/arc-6054-billet-crankcase-cover-arc6054_1.jpg?v=1773081544"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/arc-6053-billet-duplex-crankcase-cover-arc6053_1.jpg?v=1788984522","url":"https:\/\/swiftkarting.com\/collections\/briggs-animal-lo206-modified-open-kart-parts.oembed","provider":"Swift Karting","version":"1.0","type":"link"}