Equip your semi with essential parts with Expertise Built In™, with the OTR 15.5" Clutch Flywheel, a crucial element to provide a smooth and even delivery of torque. Due to its inertia-focused form, this replacement flywheel is able to even out the rotational torque from acceleration and maintain a constant spin. Constructed with a heavy design to continuously spin and conserve energy after the clutch pedal disengages the transmission. FleetPride is your First Click in Heavy Duty®.