New production CNC machined and pinned flywheel to fit large 9" domestic S-10 clutch as a bolt-on unit. These are newly manufactured and require balancing for smoothest and best performance. Recommended for upgraded Opel 2.0, 2.2 and 2.4 engines (from 120HP to 200HP). Provides a proper clutch arm angle, road-tested for durability. Best when installed with our part #8081 clutch kit. A modern upgrade, a more accessible alternative to higher-priced European clutch kits (replaces #8043, #8044, #8070 in our program).