Suit Small Block Chevy, 90° V6 & 4.6L Ford 1.255"ID with 3/16" Keyway
CO4793
4793
Specially designed 1/2" drive socket allows rotation of engine assembly Knurled retaining nut that holds degree wheel in place Can be loosened while on the crank snout so that wheel can be turned independent of the engine when finding TDC