Honda Civic Si 12-15 Aluminum SPEC Flywheel
Estimated 10lb Mass
This is an upgraded 9" SPEC design flywheel to be used with the SPEC 9" single disc clutch system.
Manufactured from only the highest quality steel and aluminum, they are the only flywheels on the market manufactured to a .001 machine tolerance, guaranteeing a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life.