Product Description
Woodruff Crankshaft Key 3/16" x 3/4" Steel Alloy
This 3/16" wide, 3/4" long woodruff key is a common size used for the 2nd key slot on aftermarket LS crankshafts for the balancer hub keyway, and is also a common size used on older Small Block Chevy crankshafts.
NOT for use on OEM LS crankshafts. See GM # 12561513 for the factory LS crank key used to position the oil pump drive and timing sprocket.
