{"product_id":"bmw-m54-stroker-kit","title":"BMW M54 Stroker Kit by 5150 AutoSport","description":"\u003cp\u003eBuild your BMW M54 engine with the BMW M54 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 M54 engine\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 bore options 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\u003eBigger displacement, more torque and more power: Our 5150 Autosport 3.2L \/ 3.4L BMW M54 Stroker Kit is specifically designed for BMW M54B22, M54B25, and M54B30 engines.\u003c\/p\u003e\u003cp\u003eUtilizing CP-Carrillo Pro-Xtreme Forged Pistons and Manley Performance Connecting Rods, as well as the 5150 4340 Billet Steel Crankshaft, this kit has stood up to the tests and trials of high horsepower application time and time again. \u003cstrong\u003e\u003cem\u003eWe only sell you the products that we have used and tested ourselves.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOther teams have applied this kit in Hill Climb, Road Racing, Endurance Racing, Rally, Time Attack, Drag Racing, Roll Racing, Drifting, and Street applications, all with powerful results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eBenefits of Stroking an Engine\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWith higher displacement, your engine will produce greater power and torque, thanks to increased cylinder volume and improved air-fuel mixture combustion\u003c\/li\u003e\n\u003cli\u003eThe longer stroke in the crankshaft increases the leverage on the connecting rods, resulting in increased torque output at lower RPMs\u003c\/li\u003e\n\u003cli\u003eImproved throttle response\u003c\/li\u003e\n\u003cli\u003eIncreased horsepower\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eBMW M54 Stroker Kit Contents \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e5150 Autosport 4340 Billet Steel Crankshaft, 97mm Stroke \u003c\/li\u003e\n\u003cli\u003eProfessionally turned, polished, and coated with anti-wear coating\u003c\/li\u003e\n\u003cli\u003eFully balanced\u003c\/li\u003e\n\u003cli\u003eManley Lightweight Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCP-Carrillo Pro-Xtreme Forged Pistons\u003c\/li\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\u003cp\u003eOur BMW M54 Stroker Kit offers varying displacements, ranging from 3.2L to 3.4L, depending on the selected bore size:\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e84 mm \u003c\/strong\u003ebore size results in a displacement3225 cc\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e84.5 mm \u003c\/strong\u003ebore size results in a displacement3270 cc\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e85 mm\u003c\/strong\u003e bore size results in a displacement of 3303 cc\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e85.5 mm\u003c\/strong\u003e bore size yields a displacement of 3342 cc\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e86 mm\u003c\/strong\u003e bore size provides a displacement of 3381 cc\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note that the 85mm, 85.5mm, and 86mm pistons require sleeving the block. \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDon't see the piston combination you're looking for? Have more questions? Contact our engine build advisors to discuss your next build.\u003c\/p\u003e\u003ch3\u003eBore Options Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e84.5 mm\u003c\/li\u003e\n\u003cli\u003e85 mm\u003c\/li\u003e\n\u003cli\u003e85.5 mm\u003c\/li\u003e\n\u003cli\u003e86 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW M54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 325i \/ 330i\u003c\/li\u003e\n\u003cli\u003eBMW E39 525i \/ 530i\u003c\/li\u003e\n\u003cli\u003eBMW E60 525i \/ 530i\u003c\/li\u003e\n\u003cli\u003eBMW E83 X3\u003c\/li\u003e\n\u003cli\u003eBMW Z4 2.5i \/ 3.0i\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 M54 build with the BMW M54 Stroker Kit by 5150 AutoSport — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"84.5 mm \/ 8.5:1","offer_id":57549781205374,"sku":"5150-SK-M54-84.5-8.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"84.5 mm \/ 9.5:1","offer_id":57549781238142,"sku":"5150-SK-M54-84.5-9.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"84.5 mm \/ 10.5:1","offer_id":57549781270910,"sku":"5150-SK-M54-84.5-10.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"84.5 mm \/ 11.5:1","offer_id":57549781303678,"sku":"5150-SK-M54-84.5-11.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"84.5 mm \/ 12.5:1","offer_id":57549781336446,"sku":"5150-SK-M54-84.5-12.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"84.5 mm \/ 13.5:1","offer_id":57549781369214,"sku":"5150-SK-M54-84.5-13.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85 mm \/ 8.5:1","offer_id":57549781401982,"sku":"5150-SK-M54-85-8.5-2","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85 mm \/ 9.5:1","offer_id":57549781434750,"sku":"5150-SK-M54-85-9.5-2","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85 mm \/ 10.5:1","offer_id":57549781467518,"sku":"5150-SK-M54-85-10.5-2","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85 mm \/ 11.5:1","offer_id":57549781500286,"sku":"5150-SK-M54-85-11.5-2","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85 mm \/ 12.5:1","offer_id":57549781533054,"sku":"5150-SK-M54-85-12.5-2","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85 mm \/ 13.5:1","offer_id":57549781565822,"sku":"5150-SK-M54-85-13.5-2","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85.5 mm \/ 8.5:1","offer_id":57549781598590,"sku":"5150-SK-M54-85.5-8.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85.5 mm \/ 9.5:1","offer_id":57549781631358,"sku":"5150-SK-M54-85.5-9.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85.5 mm \/ 10.5:1","offer_id":57549781664126,"sku":"5150-SK-M54-85.5-10.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85.5 mm \/ 11.5:1","offer_id":57549781696894,"sku":"5150-SK-M54-85.5-11.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85.5 mm \/ 12.5:1","offer_id":57549781729662,"sku":"5150-SK-M54-85.5-12.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"85.5 mm \/ 13.5:1","offer_id":57549781762430,"sku":"5150-SK-M54-85.5-13.5","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"86 mm \/ 8.5:1","offer_id":57549781795198,"sku":"5150-SK-M54-85-8.5-86","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"86 mm \/ 9.5:1","offer_id":57549781827966,"sku":"5150-SK-M54-85-9.5-86","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"86 mm \/ 10.5:1","offer_id":57549781860734,"sku":"5150-SK-M54-85-10.5-86","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"86 mm \/ 11.5:1","offer_id":57549781893502,"sku":"5150-SK-M54-85-11.5-86","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"86 mm \/ 12.5:1","offer_id":57549781926270,"sku":"5150-SK-M54-85-12.5-86","price":6175.0,"currency_code":"GBP","in_stock":true},{"title":"86 mm \/ 13.5:1","offer_id":57549781959038,"sku":"5150-SK-M54-85-13.5-86","price":6175.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/3.4L-BMW-M54-Stroker-Kit_704a1f63-4398-459a-8a42-00395abbe61d.webp?v=1781532085","url":"https:\/\/r44performance.com\/products\/bmw-m54-stroker-kit","provider":"R44 Performance","version":"1.0","type":"link"}