BMW S65 Stroker Kit | 5150 AutoSport | 4.7L

BMW S65 Stroker Kit by 5150 AutoSport

Bigger displacement, more torque and more power; Our 5150 AutoSport 4.5 - 4.6L - 4.7L BMW S65 Stroker Kit is 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

BMW S65 Stroker Kit Contents:

- 5150 AutoSport 4340 Billet Steel Crankshaft

   - Professionally turned, polished, and coated with anti-wear coating

- 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