{"product_id":"s54-3-0l-kit","title":"BMW S54 3.0L De-Stroker Kit by 5150 AutoSport","description":"\u003cp\u003eBuild your BMW S54B32 \/ S54 engines with the BMW S54 3.0L De-Stroker Kit by 5150 AutoSport, to handle serious power and sustained high-RPM abuse. Engineered by 5150 AutoSport, this stroker kit is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54B32 \/ S54 engines\u003c\/li\u003e\n\u003cli\u003eForged from high-strength, lightweight materials\u003c\/li\u003e\n\u003cli\u003eEngineered for maximum power and durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to exacting tolerances\u003c\/li\u003e\n\u003cli\u003eSuitable for naturally aspirated and forced-induction builds\u003c\/li\u003e\n\u003cli\u003eRigorously tested motorsport-grade quality\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple connecting rod selection options to suit your build\u003c\/li\u003e\n\u003cli\u003eSupplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003eThe 5150 AutoSport BMW S54 3.0L Destroker Kit is engineered for racers who need high RPM capability and precise engine response. By reducing the S54’s displacement from 3.2L to 3.0L, this kit optimizes the rod-to-stroke ratio for sustained high RPM applications, allowing the engine to safely rev to \u003cstrong\u003e10,000 RPM\u003c\/strong\u003e while maintaining exceptional balance and reliability.\u003c\/p\u003e\u003cp\u003eEach kit includes our 4340 billet steel crankshaft, forged CP pistons, and SP Components connecting rods (with an optional upgrade to CP-Carrillo rods for the ultimate in strength and precision). The reduced stroke design minimizes piston speed and stress at high RPM, delivering faster revving characteristics and improved throttle response—ideal for race, time attack, and high-performance street applications.\u003c\/p\u003e\u003cp\u003eEvery component is precision matched and balanced to 5150 AutoSport’s strict performance standards, ensuring long-term durability even in extreme operating conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eWhy De-Stroke an Engine?\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCommon for track cars\u003c\/li\u003e\n\u003cli\u003eSome class restrictions limit cars to 3.0L displacement\u003c\/li\u003e\n\u003cli\u003eMore top-end horsepower (at the cost of low-end torque)\u003c\/li\u003e\n\u003cli\u003eIncreased RPMs\u003c\/li\u003e\n\u003cli\u003eReduced friction\u003c\/li\u003e\n\u003cli\u003eGreater longevity at high RPMs\u003c\/li\u003e\n\u003cli\u003e Improved Crank-Rod Ratio for high RPM applications: \u003cul\u003e\u003cli\u003e\u003cstrong\u003eDe-Stroked = 1.65\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eFactory = 1.53:1\u003c\/li\u003e\n\u003cli\u003eStroker = 1.43\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eKit Contents \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e 5150 Autosport 4340 Billet Steel Crankshaft, \u003cstrong\u003e84mm Stroke \u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eProfessionally turned, polished, and coated with anti-wear coating\u003c\/li\u003e\n\u003cli\u003eFully balanced\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSP Components Connecting Rods (Rated for 1,000HP) \u003cul\u003e\u003cli\u003eOptional Upgrade to \u003cstrong\u003eCarrillo Pro-Xtreme Connecting Rods\u003c\/strong\u003e (Rated for 2,000HP)\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCP-Carrillo \u003cstrong\u003ePro-Xtreme Forged Pistons \u003c\/strong\u003e(rated for 2,000HP) \u003cul\u003e\n\u003cli\u003eCP-Carrillo Piston Wrist Pins\u003c\/li\u003e\n\u003cli\u003eCP-Carrillo Piston Rings\u003c\/li\u003e\n\u003cli\u003eCP-Carrillo Piston Wire Locks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFinal displacement depends on selected bore size:\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e87 mm\u003c\/strong\u003e bore size for \u003cstrong\u003e2996 cc displacement\u003c\/strong\u003e\u003cstrong\u003e87.5 mm\u003c\/strong\u003e bore size for \u003cstrong\u003e3030 cc displacement\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHave more questions? Contact our engine build advisors to discuss your build. \u003c\/p\u003e\u003ch3\u003eConnecting Rod Selection Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSP Components\u003c\/li\u003e\n\u003cli\u003eCP-Carrillo\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 5150 AutoSport?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built BMW performance engineering\u003c\/li\u003e\n\u003cli\u003eComponents developed for high-power, real-world durability\u003c\/li\u003e\n\u003cli\u003eTrusted by serious BMW engine builders\u003c\/li\u003e\n\u003cli\u003eSpecialist knowledge of forced-induction and high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine 5150 AutoSport products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54B32 \/ S54 build with the BMW S54 3.0L De-Stroker Kit by 5150 AutoSport — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"SP Components \/ 87 mm \/ 11.5:1","offer_id":57549774979454,"sku":"5150-DSK-S54-87-11.5-SP","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"SP Components \/ 87 mm \/ 12.5:1","offer_id":57549775012222,"sku":"5150-DSK-S54-87-12.5-SP","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"SP Components \/ 87 mm \/ 13.5:1","offer_id":57549775044990,"sku":"5150-DSK-S54-87-13.5-SP","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"SP Components \/ 87.5 mm \/ 11.5:1","offer_id":57549775077758,"sku":"5150-DSK-S54-87.5-11.5-SP","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"SP Components \/ 87.5 mm \/ 12.5:1","offer_id":57549775110526,"sku":"5150-DSK-S54-87.5-12.5-SP","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"SP Components \/ 87.5 mm \/ 13.5:1","offer_id":57549775143294,"sku":"5150-DSK-S54-87.5-13.5-SP","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"CP-Carrillo \/ 87 mm \/ 11.5:1","offer_id":57549775176062,"sku":"5150-DSK-S54-87-11.5-Carrillo","price":6998.0,"currency_code":"GBP","in_stock":true},{"title":"CP-Carrillo \/ 87 mm \/ 12.5:1","offer_id":57549775208830,"sku":"5150-DSK-S54-87-12.5-Carrillo","price":6998.0,"currency_code":"GBP","in_stock":true},{"title":"CP-Carrillo \/ 87 mm \/ 13.5:1","offer_id":57549775241598,"sku":"5150-DSK-S54-87-13.5-Carrillo","price":6998.0,"currency_code":"GBP","in_stock":true},{"title":"CP-Carrillo \/ 87.5 mm \/ 11.5:1","offer_id":57549775274366,"sku":"5150-DSK-S54-87.5-11.5-Carrillo","price":6998.0,"currency_code":"GBP","in_stock":true},{"title":"CP-Carrillo \/ 87.5 mm \/ 12.5:1","offer_id":57549775307134,"sku":"5150-DSK-S54-87.5-12.5-Carrillo","price":6998.0,"currency_code":"GBP","in_stock":true},{"title":"CP-Carrillo \/ 87.5 mm \/ 13.5:1","offer_id":57549775339902,"sku":"5150-DSK-S54-87.5-13.5-Carrillo","price":6998.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/5150-AutoSport-High-Horsepower-Bully-Stroker-Kit-for-E46-M3-with-S54-Engine.webp?v=1781532051","url":"https:\/\/r44performance.com\/products\/s54-3-0l-kit","provider":"R44 Performance","version":"1.0","type":"link"}