Correct reproduction of the original front door window regulator roller assembly. Sold individually. 2 required per door glass. Applications: 1967-69 Camaro. 1964-65 Chevelle. 1964-65 El Camino. 1967-69 Firebird. 1967-72 Compatible with Chevrolet / GMC Truck. 1958-65 Impala / full size. 1963-65 Compatible with Chevy II / Nova.