Aluminum lower single groove Small Block Chevy pulleys for 1969-1985 long short pumps.
It may be necessary to shim either or both of the pulleys to achieve perfect belt alignment. There are variances between manufacturers of both water pumps and pulleys.
From balancer to outer edge of pulley is 2-3/4".
From outer edge to center of V-belt groove is 5/16".
Reviews for Item #: 91015477