Edelbrock part #4242 Small-Block Chevrolet (May require modification to cover axle pin on gear drive.) This die-stamped two-piece front cover for small-block Chevys is made from .090" aluminum for light weight and excellent strength. This attractive and unique design allows quick camshaft removal without dropping oil pan or breaking oil pan seal. Includes all necessary gaskets, bolts and seals. Will not fit 1987 and later engines. Note: If cam button is desired, a nylon cam button must be used.