LSX 8-Rib Harmonic Damper for F-Body & GTO – 10% Overdrive #833

$615.00$640.00

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.

Crankshaft Pin Kit for LS1, LS2 GTO F-Body #967

Crankshaft Pin Kit for LS1/2 GTO & LS1 F-Body.

Designed for use with Innovators West dampers. Will not work with OEM or other aftermarket dampers.

Double 3/16" Keyway Add On

Add an additional 3/16 Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase. This is a labor option for new damper purchase only.