Aluminum flywheel made to suit the BMW M10 engine. Modified design allows the use of a 228mm upgraded clutch from the S14 (e30 M3) engine. 

Weighs just about 9lbs, moment of inertia (MOI) is roughly 40% of original equipment.

Also known as the "JRCook" Flywheel

This part requires a core ring gear, if you cannot provide one we can sell you one.