5150 AutoSport
BMW / Toyota B58 3.4L Stroker Kit by 5150 AutoSport
BMW / Toyota B58 3.4L Stroker Kit by 5150 AutoSport
Bigger Displacement, more Torque and MORE Power!!!
Our 5150 AutoSport Bully Stroker kit is specifically designed for BMW and Toyota B58 Engines, Gen 1 and 2. This Bully kit is specifically engineered to handle up to 2000 horsepower, suitable for high-performance turbo/drag racing or street/strip applications. They are also designed to handle high engine speeds of up to 9500 RPM.
Utilizing our completely custom CP-Carrillo Pro-Xtreme Forged Pistons and Pro-Xtreme Rods, as well as the specially designed 5150 4340 Billet Steel Crankshaft, our stroker kits have stood up to the tests and trials of high horsepower applications time and time again.
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
Kit Contents
-
5150 Autosport 4340 Billet Steel Stroker Crankshaft
- Professionally turned, polished, and coated with anti-wear coating
- Fully balanced
- Compatible with standard B58 Main Bearings
- Custom x CP-Carrillo Pro-Xtreme Connecting Rods
- Compatible with standard B58 Rod Bearings
- Custom 5150 x CP-Carrillo Pro-Xtreme Forged Pistons
- CP-Carrillo Piston Wrist Pins
- CP-Carrillo Piston Rings
- CP-Carrillo Piston Wire Locks
- 5150 Xtreme Duty Cylinder Sleeves
This kit includes 5150 Xtreme Duty Cylinder Sleeve Set and requires professional sleeving. We highly recommend RK Autowerks in Texas USA, who has mastered this machining service.
The engine block needs to be clearanced. A professional engine builder is required.
Have more questions? Contact our engine build advisors to discuss your build.
A special thank you to our partners at RK Autowerks, who were an integral part of this project and worked tirelessly with our engineers to create this kit. Without them, this truly unique, ultra-high quality kit would not be possible.
BMW Fitments:
2 Series
F22 / F23 M240i
F22 / F23 M240i xDrive
G42 / G43 M240i xDrive
3 Series
F30 / F31 / F34 340i
F30 / F31 / F34 340i xDrive
G20 M340i
G20 M340i xDrive
4 Series
F32 / F33 / F36 440i
F32 / F33 / F36 440i xDrive
G22 / G23 M440i
G22 / G23 M440i xDrive
5 Series
G30 540i
G30 540i xDrive
7 Series
G12 740i
G12 740i xDrive
X3 Series
G01 X3 M40i
X4 Series
G02 X4 M40i
X5 Series
G05 X5 xDrive40i
Z Series
G29 Z4
Z4 M40i
Toyota Supra
A90/A91 GR Supra 3.0
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SKU:5150-SK-B58-G1-3.4B
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