Product Description:
SFI 18.1 Harmonic Damper for GM 98-02 LS1 F-Body & 04-06 LS1/LS2 GTO – w/ Crank Bolt. Features 8 Rib drive & 10% Overdrive. Complete F-body and GTO Conversion Kits also available, see options below.
This damper comes standard with 3/16″ Keyway for use with aftermarket crankshafts.
NOTE: Although this damper is designed with 8 belt grooves, it may be used with the stock 6-rib accessory drive with no issues.
- Diameter: 8.125″
- Weight: 10.2 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 Super Duty Blower Hub option is a thicker hub that provides greater resistance to hub cracking under high power supercharged applications (750 rwhp and greater). This option includes a new custom made timing cover seal to adapt the oversized hub to a stock timing cover.
Optional crankshaft pin kit and double 3/16" keyway available
