SFI-Rated FluidGel Harmonic Damper - Chevrolet 262-350 & 348-409 W blocks, 1955-95 (except LT & LS 5.7L), 6.25, Black Anodize, Internal Balance
These dampers are made with an internal steel inertia ring that is surrounded by a high viscosity silicone gel. The inertia ringfloats in the silicone get to combat the engine harmonics at all RPM ranges. External balance applications feature a removable hub in order to accurately blueprint the engine and balance the assembly. These products are available in black epozy or polished steel with an epozy clear coat.
Meets SFI 18.1 specification
Easy to read laser engraved timing marks
Accurate crank bore for a proper pressed fit
Manufactured from billet carbon steel forgings