{"product_id":"11000-rpm-valve-spring-kit-for-bmw-s54","title":"BMW S54 Race Valve Spring Kit","description":"\u003cp\u003eTransform the top end of your BMW S54B32 \/ S54 engines with the BMW S54 Race Valve Spring Kit, engineered to unlock extra performance and RPM. Engineered by 5150 AutoSport, this valve spring 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\u003eEngineered to unlock additional power and RPM\u003c\/li\u003e\n\u003cli\u003ePrecision-manufactured to exacting tolerances\u003c\/li\u003e\n\u003cli\u003eIdeal for performance and competition builds\u003c\/li\u003e\n\u003cli\u003eDesigned to work as a matched system\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple kit 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\u003ch4\u003e5150 AutoSport Pro-Xtreme Valve Springs for BMW S54 Engines\u003c\/h4\u003e\u003cp\u003e5150 AutoSport Pro-Xtreme Valve Springs, designed specifically for BMW S54 engines. Whether you're building a high-performance street car, road race setup, or turbocharged application, these valve springs are engineered to deliver stable and reliable valve control up to 8500 RPM.\u003c\/p\u003e\u003cp\u003eAvailable as a complete kit including valve springs, seats, and steel retainers, or as springs only, allowing flexibility based on your engine setup and performance goals.\u003c\/p\u003e\u003ch4\u003eDesigned for High RPM Stability \u0026amp; Reliability\u003c\/h4\u003e\u003cp\u003eThese valve springs have been thoroughly tested and proven in our own high-performance S54 stroker engines producing 483 HP while enduring heavy abuse in demanding road race conditions where the engine spends extended periods at high RPM. They have also been successfully tested in high-horsepower turbocharged applications.\u003c\/p\u003e\u003cp\u003eBuilt for aggressive camshafts, stroker combinations, and forced induction setups, the 5150 AutoSport Pro-Xtreme Valve Springs provide consistent valve control and help prevent valve float in extreme operating conditions.\u003c\/p\u003e\u003ch4\u003ePrecision-Engineered for Performance Builds\u003c\/h4\u003e\u003cp\u003eDesigned to handle the demands of:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRoad racing\u003c\/li\u003e\n\u003cli\u003eHigh-performance naturally aspirated builds\u003c\/li\u003e\n\u003cli\u003eTurbocharged applications\u003c\/li\u003e\n\u003cli\u003eHigh RPM endurance use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese springs are built for serious enthusiasts and racers looking for reliability under extreme conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Professional installation by an experienced engine builder is strongly recommended.\u003c\/p\u003e\u003ch4\u003eKey Features:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAvailable for 6mm valve setups\u003c\/li\u003e\n\u003cli\u003eDesigned for reliable operation up to 8500 RPM\u003c\/li\u003e\n\u003cli\u003eTested and proven in 483 HP S54 stroker road race engines\u003c\/li\u003e\n\u003cli\u003eSuccessfully tested in high-horsepower turbocharged applications\u003c\/li\u003e\n\u003cli\u003eBuilt for aggressive camshafts and high-performance applications\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for BMW S54 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eBMW S54 Applications:\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e BMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E46 M3\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2001-2002 Z3 M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z4 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2006-2008 Z4 M\u003c\/p\u003e\u003ch3\u003eKit Options Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSprings Only\u003c\/li\u003e\n\u003cli\u003eFull Kit\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 Race Valve Spring Kit — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Springs Only","offer_id":57549766656382,"sku":"5150-DVS-S54","price":449.0,"currency_code":"GBP","in_stock":true},{"title":"Full Kit","offer_id":57549766689150,"sku":"5150-HPVSK-S54","price":748.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/BMW-S54-High-RPM-Performance-Valve-Spring-Kit.webp?v=1781532016","url":"https:\/\/r44performance.com\/products\/11000-rpm-valve-spring-kit-for-bmw-s54","provider":"R44 Performance","version":"1.0","type":"link"}