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ATI SR20 FWD Street Damper
Price: $474.99
Availability: Special Order
ATI Item #: 918607 -

- Eliminates torsional crankshaft vibrations - Exceeds SFI 18.1 specs - Laser engraved 360° timing marks - Black zinc chromate finished 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).

ATI SR20 RWD Street Damper
Price: $474.99
Availability: In Stock
ATI Item #: 918582 -

- Eliminates torsional crankshaft vibrations - Exceeds SFI 18.1 specs - Laser engraved-etched timing marks - Black zinc chromate finished 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).

Mazworx/ATI SR20 RWD Drag Race Damper
Price: $599.00
Availability: Built to Order 1-2
Mazworx Item #: 917020 SR -

Mainly used in drag racing high rpm applications. For racing applications only. It does not have provisions for pulleys. This damper utilizes an ATI 7" Race damper attached by a custom hub.  This is for dry sump applications only as the custom hub takes up the space of oil pump collar.  By doing so, this allows more hub engagement on the crank.  At high boost and high rpm, 4 cylinders vibrate tremendously.  This setup reduces the vibrations.Our dry sump hub does bolt to the...