Chevy GM LS LS1 LS6 UnderDrive Fluid Damper Harmonic Balancer SFI 18.1 the use of 6 pinion

the use of 6 pinion gears means the stress on gears is spread over a greater surface area

Windsor and Big block applications feature cast construction

Standard valve sizes are 2

Crafted from durable materials

The ample wire lengths make this kit suited for everything including trucks with long beds and extra cabs

Chevy GM LS LS1 LS6 UnderDrive Fluid Damper Harmonic Balancer SFI 18.1 the use of 6 pinionUsing only three parts a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two these SFI approved Fluid dampers can control all crankshaft vibration, not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.