LS Truck & Trailblazer SS, 10 Rib – 10% Overdrive Harmonic Damper #864
$640.00 – $665.00
SFI 18.1 Harmonic Damper for 2009-2015 Gen 5 Camaro, GM 1999-2013 Trucks & 06-08 Trailblazer SS – w/ Crank Bolt. Features 10-Rib, 10% Overdrive Pulley. Complete 10 Rib Conversion Kits also available.
- Diameter: 8.125″
- Weight: 11.4 lbs
- 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.