ATI Super Damper Harmonic Balancer - Fits 02-14 WRX / 04-21 STI subaru-brz-2015 cause a much smoother ride

cause a much smoother ride where other springs will skip on the harsh road surface

5CR -17cc Dish Piston Set w/Rings

1988 Ford F-150 XLT Lariat

Looking for an effective solution to eliminating inconsistent power delivery from your 2015+ STI

1998 Mercedes-Benz S600 Base

ATI Super Damper Harmonic Balancer - Fits 02-14 WRX / 04-21 STI subaru-brz-2015 cause a much smoother rideUnlike undampened underdrive pulleys, which offer no protection to high performance engines, the ATI Super Damper provides balanced dampening of torsional crankshaft vibrations at all RPM levels. The ATI Super Damper comes with laser etched timing marks and is a direct replacement for the OEM unit. The ATI Super Damper is a critical component for all high performance cars to help protect against engine harmonics and features four groove and five