Dual Chevy Mopar crankshaft pulley bolt pattern, 5.75" overall diameter, 1.95" thick overall. Deep groove - effective diameter is 5" with 3/8" wide belt. Groove center is 1.7" from mounting face. Suitable for serious racing engines to street cars. DMI's crankshaft pulleys are CNC machined from 6061-T6 aluminum.
Billet aluminum Mopar and Chevy crankshaft pulley spacer positively centers on damper and pulley so it will run true. Anodized clear (silver) only. Be sure to select your desired thickness. Check specification below to make sure this will fit your engine. Pulley shown for example, not included.