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 ALL31030 Crankshaft Pulley - V-Belt - 2-Groove - 4.750in
ALLSTAR PERFORMANCE Crankshaft Key Chevy Short 2pk
ALLSTAR PERFORMANCE Crankshaft Key Chevy Long
Allstar Performance Allstar Performance Apparel Black Hooded Sweatshirt X-Large
ALLSTAR PERFORMANCE Display Header For 48 X 6 Inches With Allstar Logo In
Allstar Performance Allstar All69130 Aod Locking Transmission Dipstick