Moroso Degree Wheel Crank Socket for Degree Wheel - SB and 90 V6 Chevy - Super Duty Pontiac/GM 4 31012BK 13-1/8 x 13-1/8 in

13-1/8 x 13-1/8 in

factory or street stocks

it shares the same mounting points as the Garmin Nuvi GPS

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Moroso Degree Wheel Crank Socket for Degree Wheel - SB and 90 V6 Chevy - Super Duty Pontiac/GM 4 31012BK 13-1/8 x 13-1/8 inDon't use the crank hub retaining bolt to rotate your engine! By removing the crank hub or balancer and using a Moroso Crankshaft Socket Tool, engine builders have a positive way to turn over the engine Tool makes it easier to locate TDC and BDC when degreeing camshafts Broached keyway allows the socket (which fits 1 2" drive) to slide over the crankshaft snout and key. a knurled jam nut is then used to position a degree wheel Use with Moroso Degree