BMW S65 Stroker Kit by 5150 AutoSport
Bigger displacement, more torque and more power; Our 5150 AutoSport 4.5 - 4.6L - 4.7L Stroker Kits are specifically designed for BMW S65 Engines.
Benefits of Stroking an Engine:
- Higher displacement offers greater power output and torque from increased cylinder volume and improved air-fuel mixture combustion
- Longer crankshaft stroke increases connecting rod leverage for increased torque output at lower RPMs
- Improved throttle response
- Increased horsepower
Kit Contents:
- 5150 AutoSport 4340 Billet Steel Crankshaft
- Professionally turned, polished, and coated with anti-wear coating
- Fully balanced
- SP Components Connecting Rods (Rated for 1,000HP, 8500 RPM)
- Optional Upgrade to Carrillo Connecting Rods (Rated for 1,600HP, 9500 RPM)
- CP-Carrillo Forged Pistons
- CP-Carrillo Piston Wrist Pins
- CP-Carrillo Piston Rings
- CP-Carrillo Piston Wire Locks
- Skirt Coating
- 5150 AutoSport Xtreme Duty Cylinder Sleeve Set (Optional)
Note: pistons come pre-coated with anti-friction skirt coating, compatible with Alusil bores.
5150's 4.7L S65 stroker kits offer varying displacements, from 4500 cc to 4700 cc, depending on the selected bore size:
92 mm bore size results in a displacement 4500 cc
93* mm bore size results in a displacement of 4600 cc
94* mm results in the maximum displacement of 4700 cc
*Require block to be professionally sleeved
Don't see the piston combination you're looking for? Have more questions? Contact our engine build advisors to discuss your next build.
BMW S65 Applications:
3 Series
2007-2011 E90 M3
2007-2013 E92 M3
2010-2011 E92 M3 GTS
2008-2013 E93 M3