BMW M50 / M52 / S50 / S52 Stroker Kit by 5150 AutoSport

BMW M50 / M52 / S50 / S52 Stroker Kit by 5150 AutoSport

Bigger displacement, more torque and more power; Our 5150 AutoSport Stroker Kits are specifically designed for BMW M5X / S5X inline-6 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

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.

Kit Options:

3.4L-3.5L M50/M52/S50/S52 Standard Stroker Kit

Power Rating: 1000 HP  |  8500 RPM 

Utilizing CP-Carrillo Pro-Xtreme Forged Pistons and Manley Performance Connecting Rods, as well as the 5150 4340 Billet Steel Crankshaft, our standard stroker kit is ideal for Naturally-Aspirated builds, turbo-swapped daily drivers, and any E34 / E36 owner seeking to make up to 1,000HP. 

- 5150 AutoSport 4340 Billet Steel Crankshaft
          - Professionally turned, polished, and coated with anti-wear coating
          - Fully balanced
- Manley Performance Connecting Rods, 135mm Length
- CP-Carrillo Pro-Xtreme Forged Pistons
- CP-Carrillo Piston Wrist Pins 
         - CP-Carrillo Piston Rings 
         - CP-Carrillo Piston Wire Locks

3.4L-3.5L M50/M52/S50/S52 Bully Stroker Kit

Power Rating: 2000 HP  |  9500 RPM 

Utilizing CP-Carrillo Pro-Xtreme Forged Pistons and 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. Featured in our very own 5150 Bully E36, we only sell you the products that we have used and tested ourselves.

- 5150 AutoSport 4340 Billet Steel Crankshaft
         - Professionally turned, polished, and coated with anti-wear coating
         - Fully balanced
- CP-Carrillo Pro-Xtreme Forged Connecting Rods, 135mm Length
- CP-Carrillo Pro-Xtreme Forged Pistons
         - CP-Carrillo Piston Wrist Pins
         - CP-Carrillo Piston Rings
         - CP-Carrillo Piston Wire Locks

Don't see the piston combination you're looking for? Have more questions? Contact our engine build advisors to discuss your next build.

BMW M50 Applications:

3 Series

1990-1995     E36     320i / 325i / 325is
1994-1996     E35/E36     318ti

5 Series

1990-1996     E34     520i / 525i
1991-1996     E34 Touring     520i / 525i

Z Series

1995     E36/E37     Z3 2.0i / 2.5i

BMW M52 Applications:

3 Series

1994-1999     E36     320i / 323i / 323is / 328i / 328is
1997-2000     E35/E36     318ti / 323ti

5 Series

1996-1998     E39     520i / 523i / 528i

7 Series

1996-1998     E38     728i / 728iL

Z Series

1996-1999     E36/E37/E38     Z3 2.0i / 2.2i / 2.8i

BMW S50 US Applications:

3 Series

1994-1995     E36     M3

BMW S52 Applications:

3 Series

1996-1999     E36     M3

Z Series

1998-2000     E36/E37/E38     Z3M