Build 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.Key Features Designed for BMW M54 engine Forged from high-strength, lightweight materials Engineered for maximum power and durability Precision-machined to exacting tolerances Suitable for naturally aspirated and forced-induction builds Rigorously tested motorsport-grade quality Available in multiple bore options options to suit your build Supplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide Product DetailsBigger 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.Utilizing 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. We only sell you the products that we have used and tested ourselves.Other 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.Benefits of Stroking an Engine With higher displacement, your engine will produce greater power and torque, thanks to increased cylinder volume and improved air-fuel mixture combustion The longer stroke in the crankshaft increases the leverage on the connecting rods, resulting in increased torque output at lower RPMs Improved throttle response Increased horsepower BMW M54 Stroker Kit Contents 5150 Autosport 4340 Billet Steel Crankshaft, 97mm Stroke Professionally turned, polished, and coated with anti-wear coating Fully balanced Manley Lightweight Connecting Rods CP-Carrillo Pro-Xtreme Forged Pistons CP-Carrillo Piston Wrist Pins CP-Carrillo Piston Rings CP-Carrillo Piston Wire Locks Our BMW M54 Stroker Kit offers varying displacements, ranging from 3.2L to 3.4L, depending on the selected bore size:84 mm bore size results in a displacement3225 cc84.5 mm bore size results in a displacement3270 cc85 mm bore size results in a displacement of 3303 cc85.5 mm bore size yields a displacement of 3342 cc86 mm bore size provides a displacement of 3381 ccPlease note that the 85mm, 85.5mm, and 86mm pistons require sleeving the block. Don't see the piston combination you're looking for? Have more questions? Contact our engine build advisors to discuss your next build.Bore Options Options 84.5 mm 85 mm 85.5 mm 86 mm CompatibilityBMW M54 Models BMW E46 325i / 330i BMW E39 525i / 530i BMW E60 525i / 530i BMW E83 X3 BMW Z4 2.5i / 3.0i Why Choose 5150 AutoSport? Purpose-built BMW performance engineering Components developed for high-power, real-world durability Trusted by serious BMW engine builders Specialist knowledge of forced-induction and high-RPM builds Why Buy from R44 Performance?R44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide. BMW specialists Genuine 5150 AutoSport products Fast UK & worldwide shipping Expert product support Upgrade your BMW M54 build with the BMW M54 Stroker Kit by 5150 AutoSport — available now from R44 Performance.
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