No tuning or maintenance required - Designed to last the life of the 6.5!
The OEM 6.5 dampener and crank pulley are made of rubber and steel and will deteriorate over time and eventually fail, which will destroy the crank and engine. If the OEM damper has never been changed it likely needs to be due to age alone and should be changed by 100,000.
Fluidampr Balancer for 1994+ Hummer H1. Protect your 6.5 with the technology high power diesel OEMs use. A Fluidampr performance diesel damper provides premium, broad range control of destructive crankshaft torsional vibration for optimum performance and durability. Fluidampr reduces wear on critical internal engine components when engine modifications are done to gain horsepower or when rotating assembly parts are upgraded. Features high quality, long lasting viscous silicone with precision CNC machined and computer balanced high-grade steel components.
DieselSite Billet Aluminum Crank Pulley. Reduce rotational weight by approximately 4.8lbs to offset additinal weight of Fluidampr. Unlike the OEM pulley, will last the life of the truck.
65TurboGarage balancer install tool optional.