Bigger displacement, more torque and more power: Our 5150 Autosport 3.3L / 3.4L / 3.5L BMW M20 Stroker Kit is specifically designed for increasing displacement in BMW M20 engines. Utilizing CP-Carrillo Pro-Xtreme Forged Pistons and Manley Performance Connecting Rods, as well as the 5150 4340 Billet Steel Crankshaft, this BMW M20 Stroker 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 M20 Stroker Kit Contents 5150 Autosport 4340 Billet Steel Crankshaft, 97mm Stroke Professionally turned, polished, and coated with anti-wear coating Fully balanced Manley Performance Lightweight Connecting Rods, 135mm Length CP-Carrillo Pro-Xtreme Forged Pistons CP-Carrillo Piston Wrist Pins CP-Carrillo Piston Rings CP-Carrillo Piston Wire Locks Our stroker kit offers varying displacements, ranging from 3300 cc to 3400 cc, depending on the selected bore size: 84.5 mm bore size for 3270 cc displacement 85 mm bore size for 3303 cc displacement 85.5 mm bore size for 3342 cc displacement 86 mm bore size for 3381 cc displacement87mm bore size for 3460 cc displacement Have more questions? Contact our engine build advisors to discuss your build. Don't see the piston combination you're looking for? Have more questions? Contact our engine build advisors to discuss your next build.
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