The Clutch Masters aluminum flywheel for 1988–1991 BMW M3 (E30) is CNC-machined from 6061 aluminum, precision balanced and Type 3 hard-anodized for durability. It accepts OEM or aftermarket clutches built to OEM specifications and is zero-balanced for smooth operation. Features include a replaceable steel insert friction surface, SFI 1.2 certification for motorsports use and design intent to reduce turbo lag and improve throttle response in performance setups.
Clutch Masters 88-91 BMW M3 2.3L (E30) Aluminum Flywheel