BMW / Toyota B58 3.2L Stroker Kit by 5150 AutoSport

BMW / Toyota B58 Gen 1 & 2 Stroker Kit by 5150 AutoSport

Bigger displacement, more torque and more power; Our 5150 AutoSport Stroker Kits are specifically designed for BMW & Toyota B58 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
- Manley Performance Connecting Rods (Rated for 1,000 HP, 8500 RPM)
     - Optional Upgrade to CP-Carrillo Pro-Xtreme Connecting Rods (Rated for 2,000 HP, 9500 RPM)
- CP-Carrillo Pro-Xtreme Forged Pistons
- CP-Carrillo Piston Wrist Pins 
         - CP-Carrillo Piston Rings 
         - CP-Carrillo Piston Wire Locks

5150's 3.2L stroker kits offers varying displacements, from 3170 cc to 3246 cc, depending on the selected bore size:

82 mm bore size results in a displacement of 3170 cc
82.5 mm* bore size yields a displacement of 3207 cc
83 mm* bore size provides a displacement of 3246 cc
*Require block to be professionally sleeved

Have more questions? Contact our engine build advisors to discuss your build.

BMW B58 Gen 1 Applications:

1 Series

2016-2019     F20/F21     M140i

2 Series

2016-2019     F22/F23     M240i

3 Series

2015-2019     F30/F31     340i / 340i xDrive
2016-2019     F34     340i GT / 340i GT xDrive

4 Series

2016-2020     F32/F33/F36     440i / 440i xDrive

5 Series

2016-2019     G30/G31     540i / 540i xDrive

6 Series

2017-2019     G32     640i GT / 640i GT xDrive

7 Series

2015-2019     G11/G12     740i / 740i xDrive

X3 Series

2017-2019     G01     X3 M40i

X4 Series

2018-2019     G02     X4 M40i

BMW B58 Gen 2 Applications:

3 Series

2019-Present     G20/G21     M340i / M340i xDrive

4 Series

2020-Present     G22/G23/G26     M440i / M440i xDrive

Z Series

2019-Present     G29     Z4 M40i

5 Series

2020-Present     G30/G31 LCI     540i / 540i xDrive

6 Series

2020-Present     G32 LCI     640i GT / GT 640i xDrive 

7 Series

2019-Present     G11/G12 LCI     740i / 740i xDrive

X3 Series

2020-Present     G01     X3 M40i

X4 Series

2020-Present     G02     X4 M40i

X5 Series

2018-Present     G05     X5 xDrive40i

X6 Series

2019-Present     G06     X6 xDrive40i

X7 Series

2018-Present     G07     X7 xDrive40i

Toyota B58 Gen 2 Applications:

A90 / A91 Supra

2020-2022     GR Supra 2.0    
2020-Present     GR Supra 3.0 Premium    
2021-Present     GR Supra 3.0 A91 Edition