Action Super Duty OE spec replacement flywheels is a direct replacement with no additional add ons. A direct plug and play. Our original fitting flywheels are manufactured from high quality OE materials and offer a direct fit for your old, beat up one. If you are doing a clutch replacement be sure to use our Action super duty OE replacement flywheel, instead of spending money on a resurface for your old used flywheel. ENGINEERED FOR BOTH STREET AND LIGHT RACE APPLICATIONS