Chevy/GM Chrome Steel Rear Differential Cover With 12 Bolt Pattern. Fits 12 Bolt Chevy/GM Rear Ends With 8-7/8" Ring Gear. 

HZ-4787 Differential Cover Fits: 
1964-72 Chevy/GM Intermediates - Rear
1964-72 Chevy Camaro - Rear
1964-72 Chevy Chevelle - Rear
1964-72 Chevy El Camino - Rear
1965-67 Chevy Nova - Rear

Note: Due to variety of options, we are unable to determine the correct cover for your specific vehicle. Please contact your local dealer for assistance in obtaining the correct fitment information for your vehicle.