21000: We employed this kit in our TwinTurbo Angry Bull E36 M3 to help turbos spooling at lower RPMs

A competition grade fuel cell provides maximum performance and safety for high performance vehicles

Ti Automotive (parent company of Walbro) does not officially advertise compatibility with ethanol fuels

The billet aluminum adapter is also bright blue anodized to look great and prevent corrosion

75"Bolt Circle Diameter: 4

OS Giken SuperLock LSD, BMW E30 M3 Sensor 21000: We employed this kitThe OS Giken SuperLock LSD features their patented pressure ring design, delivering smooth, progressive locking. Distinguished by a spline through side gear construction, OS Giken's design allows for the fitment of more friction plates (up to 2x as many as competing versions). Key Features: All components undergo chemical heat treatment for maximum durability Constructed from a high grade steel alloy, ensuring exceptional strength Gears are raw forged