LS1/2/3/6 Corvette 8-Rib 10% Overdrive Conversion Kit with Damper #991


8 Rib Drive Conversion Kit with 10% Overdrive Damper for LS1, LS2, LS3, LS6 Corvette – Includes SFI 18.1 Harmonic Damper.



Double 3/16" Keyway Add On

Add an additional 3/16 Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase.