Skip to Content
  1. All products
  2. • Harmonic Balancers
  3. GM Engines
  4. 1997-2013 Gen 3/4 LS Engines
  5. 99-13 GM Trucks, 06-08 TBSS & 10-15 Gen 5 Camaro
  6. LS Truck & Trailblazer SS, 8 Rib - 15% Overdrive Harmonic Damper
  7. 99-13 GM Trucks, 06-08 TBSS & 10-15 Gen 5 Camaro
Pricelist: Master WD Pricing - Innovators West Pricelist
Pricelist: Master WD Pricing - Innovators West Pricelist
LS Truck & Trailblazer SS, 8 Rib - 15% Overdrive Harmonic Damper

LS Truck & Trailblazer SS, 8 Rib - 15% Overdrive Harmonic Damper

Part #: 865SD
$ 454.74 $ 689.00

  • Hub Style
  • Keyway Options - Standard Single Keyway
Add to cart
Add to wishlist
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
Contact Us
Hub Style: Super Duty Blower Hub

Description

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, 15% Overdrive Pulley. The 15% overdrive diameter is intended for race applications with an aftermarket water pump and pulley combo for increased clearance for the larger diameter damper (compared to the 10% OD #863 street damper). The 15% overdrive dampers come standard with the super duty hub for high horsepower combinations.





  • 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.


Technical Details

Diameter 8.35"
Weight 10.2 lbs
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

Instructions

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