Competition Clutch ST Steel Flywheel Honda Civic Si 06-11 | 2-800-ST vendor_ACT Works with 2-bolt flange up-pipe

Works with 2-bolt flange up-pipe

92" inch piping diameter

Pulley Weight = 1

New from GFB is the STi 6-speed Short Shift Basic Kit (part # 4003)

reduce blow-by

Competition Clutch ST Steel Flywheel Honda Civic Si 06-11 | 2-800-ST vendor_ACT Works with 2-bolt flange up-pipeInstallation of a lightweight flywheel on your engine will reduce rotational mass on the crankshaft, producing faster revs, less drive train loss, quicker acceleration and more power to the wheels. The Competition Clutch ST lightweight flywheels are designed for street strip driven applications and are well suited for Stage 1 and Stage 2 clutch kit counterparts. The STU ultra lightweight flywheel is even lighter, designed for extremely fast gear