LS Truck & Trailblazer SS, 8 Rib - 10% Overdrive

LS Truck & Trailblazer SS, 8 Rib – 10% Overdrive Harmonic Damper #863

$615.00 – $640.00

SFI 18.1 Harmonic Damper for GM 2009-2015 LSX Gen 5 Camaro, GM 1999-2013 Trucks & 06-08 Trailblazer SS – w/ Crank Bolt. Features 8-Rib, 10% Overdrive Pulley. Complete 8 Rib Conversion Kits also available, see options below.

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.

Options

Crankshaft Pin Kit -GM LS Truck & Gen 5 Camaro

Crankshaft Pin Kit -GM LS Truck & Gen 5 Camaro #968

Crankshaft Pin Kit for GM LS Trucks, TBSS and Gen 5 Camaro's.

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.

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GM LSX Damper Installation Instructions [PDF Format].
Damper Hub Honing Instructions [PDF Format].