This damper features the Chevy Bolt Pattern and works with OEM pulleys and hardware. The 7" diameter damper is best used with stock or modified engines making up to approximately 1000hp naturally aspirated. For engines over 1000hp please see damper #107 and for supercharged engines with the BBC crank snout please see damper 107B or 109.
Outer Diameter: 7"
Weight: 8.0 lbs
For externally balanced 400ci and larger SBC
Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.