{"product_id":"premium-mitsubishi-4b11-2-2l-stroker-kit","title":"Tomioka Racing Premium Mitsubishi 4B11 2.2L Stroker Kit (900+ HP)","description":"\u003ch2\u003eTomioka Racing Premium Mitsubishi 4B11 2.2L Stroker Kit (900+ HP)\u003c\/h2\u003e\n\n\u003cp\u003eTurn your Evo X into a 2.2L torque monster. The Tomioka Racing Premium 4B11 Stroker Kit combines a 94 mm billet crankshaft, forged 2618 pistons, 4340 H-beam rods, and race bearings into a proven rotating assembly engineered for \u003cstrong\u003e900+ horsepower\u003c\/strong\u003e high-boost builds.\u003c\/p\u003e\n\n\u003ch3\u003eTurn Your 4B11 Into a 2.2L Animal\u003c\/h3\u003e\n\u003cp\u003eIf you’ve reached the limits of the stock 4B11 bottom end, this is the next step. Using the factory 4B11 block, this kit stretches stroke to \u003cstrong\u003e94 mm\u003c\/strong\u003e and increases displacement to \u003cstrong\u003e2.2L\u003c\/strong\u003e, while maintaining a \u003cstrong\u003e9.0:1 compression ratio\u003c\/strong\u003e – the sweet spot for aggressive turbo setups on pump gas or E85.\u003c\/p\u003e\n\n\u003cp\u003eWith proper block preparation, clearancing, dynamic balancing, oiling upgrades, and a safe tune, this forged rotating assembly is engineered to support \u003cstrong\u003e900+ HP\u003c\/strong\u003e and extended high-RPM use in well-built race or high-power street engines.\u003c\/p\u003e\n\n\u003ch3\u003eForged Components for High Boost\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBillet 4340 crankshaft – 94 mm stroke\u003c\/strong\u003e\u003cbr\u003e\n    Increases displacement and torque while maintaining strength for high boost. Billet construction provides superior rigidity and durability under heavy load.\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForged 4340 H-beam connecting rods – 143.66 mm\u003c\/strong\u003e\u003cbr\u003e\n    H-beam profile offers an excellent strength-to-weight ratio and stability at elevated RPM and high horsepower levels.\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForged 2618 aluminum pistons – 9.0:1 compression\u003c\/strong\u003e\u003cbr\u003e\n    2618 alloy is chosen for extreme cylinder pressure and high-boost conditions. The 9.0:1 compression ratio is optimized for turbocharged 4B11 builds on modern fuels.\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompetition race bearings (main \u0026amp; rod)\u003c\/strong\u003e\u003cbr\u003e\n    Bearing sets selected to support high load and sustained high RPM usage, completing a ready-to-build performance rotating assembly.\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePower \u0026amp; RPM Guidance\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for serious engine builds and should be paired with professional machine work and tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTarget capability:\u003c\/strong\u003e Engineered for \u003cstrong\u003e900+ HP\u003c\/strong\u003e with the correct turbo system, fuel system, headwork, and engine management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse case:\u003c\/strong\u003e Ideal for big-turbo street, time-attack, drag, and roll-racing Evo X builds where reliability under power matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTo achieve these power levels safely, we strongly recommend:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional block machining and assembly\u003c\/li\u003e\n  \u003cli\u003eProper piston-to-wall, bearing, and ring clearances\u003c\/li\u003e\n  \u003cli\u003eDynamic balancing of the rotating assembly\u003c\/li\u003e\n  \u003cli\u003eUpgraded oiling and cooling systems\u003c\/li\u003e\n  \u003cli\u003eConservative, knock-safe tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2.2L displacement using the factory 4B11 engine block for major torque gains and faster spool\u003c\/li\u003e\n  \u003cli\u003eEngineered for \u003cstrong\u003e900+ HP\u003c\/strong\u003e high-boost Evo X builds (with proper supporting mods)\u003c\/li\u003e\n  \u003cli\u003e94 mm billet crankshaft for increased stroke and strength\u003c\/li\u003e\n  \u003cli\u003eForged 2618 pistons with 9.0:1 compression ratio for turbocharged pump gas and E85 setups\u003c\/li\u003e\n  \u003cli\u003eForged 4340 H-beam rods (143.66 mm) optimized for high power and high RPM stability\u003c\/li\u003e\n  \u003cli\u003eRace main and rod bearings included for a complete rotating assembly\u003c\/li\u003e\n  \u003cli\u003eAvailable in 86.0 mm (standard) and 86.5 mm (+0.5 mm) bore sizes for fresh or overbore builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 9.0 : 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStroke:\u003c\/strong\u003e 94 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRod Length:\u003c\/strong\u003e 143.66 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrankshaft:\u003c\/strong\u003e Billet 4340\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePistons:\u003c\/strong\u003e Forged 2618 aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Race \/ competition (main \u0026amp; rod)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eStroker Kit Variants\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTR-ES2027\u003c\/strong\u003e\u003cbr\u003e\n    Bore Size: 86.0 mm (standard)\u003cbr\u003e\n    Stroke: 94 mm\u003cbr\u003e\n    Rod Length: 143.66 mm\u003cbr\u003e\n    Compression Distance: 29.33 mm\u003cbr\u003e\n    Compression Ratio: 9.0 : 1\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTR-ES2028\u003c\/strong\u003e\u003cbr\u003e\n    Bore Size: 86.5 mm (+0.5 mm)\u003cbr\u003e\n    Stroke: 94 mm\u003cbr\u003e\n    Rod Length: 143.66 mm\u003cbr\u003e\n    Compression Distance: 29.33 mm\u003cbr\u003e\n    Compression Ratio: 9.0 : 1\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKit Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBillet crankshaft (94 mm stroke)\u003c\/li\u003e\n  \u003cli\u003eH-beam connecting rod set (143.66 mm)\u003c\/li\u003e\n  \u003cli\u003eForged piston set (2618, 9.0:1) with rings, pins, and locks\u003c\/li\u003e\n  \u003cli\u003eRace main bearing set\u003c\/li\u003e\n  \u003cli\u003eRace connecting rod bearing set\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tomioka Racing","offers":[{"title":"Default Title","offer_id":48881546363032,"sku":"9IU5Q","price":4250.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0867\/0360\/files\/tr-es2003_1.jpg?v=1776410901","url":"https:\/\/frsport.com\/products\/premium-mitsubishi-4b11-2-2l-stroker-kit","provider":"FR SPORT","version":"1.0","type":"link"}