South Bend Clutch Billet Single Mass Flywheel | MK4 GTI · Jetta · GLI · MK1 Beetle · MK1 TT | 1.8L Turbo I4 | 6-Speed Manual Transmission facelift The APR Valve Spring utilizes

The APR Valve Spring utilizes a beehive design that allows for a reduction in mass in not only the spring itself

and not quite befitting to such amazing engines

For years Integrated Engineering H-beam Rods have been an integral part of delivering the power that the highest powered turbo setups and race engines demand

9-ounce 65/35 ring spun combed cotton/poly fleece

92mm internal pin has been enlarged to 11

South Bend Clutch Billet Single Mass Flywheel | MK4 GTI · Jetta · GLI · MK1 Beetle · MK1 TT | 1.8L Turbo I4 | 6-Speed Manual Transmission facelift The APR Valve Spring utilizesFlywheels manufactured by SBC are made from low carbon, hot rolled steel that is highly resistant to warping and perfectly suited for the friction materials mated to them. Single mount CNC machining guarantees precise tolerances and perfect balance exceeding O. E. specifications. Extensive field testing has been done to determine the proper weight for each specific vehicle and to ensure smooth operation, safety and durability under extreme operating