SFI 18.1 7.25″ Diameter Serpentine Damper for LS Race Applications. This damper is fully engraved for setting timing and is also available with optional 28T HTD oil pump drive gear on the rear of the damper (#1128F). The damper comes standard with GTO/F-Body length hub. Damper has a 6 bolt GM pulley pattern (6 on 3.2″) and a BBC register that will accept most aftermarket BBC crank mandrels and pulleys. An Innovators West crank mandrel is available separately (see Part #947)
- Diameter: 7.25″
- Serpentine: 6-Rib
- Weight: 8.7 lbs
- Comes with Single 3/16″ Keyway
- Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
- NOTE: The damper comes with standard duty hub. It is not intended for high horsepower supercharged applications.
- This is a direct replacement damper for the ATI #918852.