For late model GM engines with 12-3/4" flywheel. Standard clockwise rotation. '96 and later 4.3L. '98 and later 5.0, 5.7L. Delco permanent magnet gear reduction 2 bolt starter. 12V 11-tooth offset bolt pattern.
Sierra Marine is the world's largest supplier of premium aftermarket marine engine and drive parts and accessories. many Sierra parts are made in the same plants as the original engine manufacturers' parts and are engineered to meet or exceed the factory original part. All Sierra parts are backed by a limited lifetime warranty