Competition Clutch Steel Flywheel STI (2004-2018) Subaru Your typical coil over will

Your typical coil over will come with either a rubber or urethane bump stop is there to absorb the bottoming-out effect which then causes a large jolt or rebound which can cause drivers to lose control

Installation takes less than 10 minutes and then you'll be ready to concentrate on your drifting career

WRX 2002-2004

This is crucial for proper air fuel ratios and ECU engine management

Competition Clutch Steel Flywheel STI (2004-2018) Subaru Your typical coil over willInstallation of a Subaru STI 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 driven STI applications and are well suited for Stage 1 or Stage 2 clutch kit counterparts. All Competition Clutch lightweight flywheels are CNC machined and balanced to OE