Use shim kits to properly align pulleys. Crank pulley spacers are for small block Chevys. Each kit includes 3 shims, 1/16", 1/8" and 3/16".
Allstar Performance ALL31066 Crankshaft Pulley Spacers - 0.0625/0.078/0.125in
Allstar Performance 31094 | Crankshaft Pulley 4-3/4in
ALLSTAR PERFORMANCE For Chevy V8 Short Woodruff Crankshaft Keys - 2 Pack
ALLSTAR PERFORMANCE GM For LS-Series Crankshaft Key - 3/16 X 1-1/2 Inch Steel
ALLSTAR Performance Long Woodruff Crankshaft Key for Chevy V8 Engines
ALLSTAR PERFORMANCE Crankshaft Key Chevy Long
