Chevy GM LS LS1 LS6 UnderDrive Fluid Damper Harmonic Balancer SFI 18.1 and reduced friction to extend

and reduced friction to extend their life

Flat surfaces are finished with CNC machine center for accuracy and smoothness

Speedmaster remote thermostat housings locate the filler neck at the highest point of cars with low mount radiators to bleed air

2 SFI Approved and will withstand the extreme power and rpm of your performance application

as well as keep them in line

Chevy GM LS LS1 LS6 UnderDrive Fluid Damper Harmonic Balancer SFI 18.1 and reduced friction to extendUsing 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.