ATI SR20 RWD Street Damper

– Eliminates torsional crankshaft vibrations

– Exceeds SFI 18.1 specs

– Laser engraved-etched timing marks

– Black zinc chromate finished

– Power steering pulley is 11% UD.

Inner and outer shells are available in aluminum or steel contain the steel inertia weight. The inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).

Typical Belt Sizes need for this damper:
PS:  3PK855 (S14/S15), 4PK855 (S13)
AC:  4PK880
Alt/WP:  5PK915