The HD Rear Cover is made of high strength 63,000 SAE Alloy. It is made heavier where the spring/spring plate mounts correcting the OE cover cracking issues. This cover is proudly made in Michigan by us. Fits 1963-77 Corvettes, but always measure the bolt diameter as some later models have this cover. This mounts to 9/16" Diameter bolts (4) and...
The HD Rear Cover is made of high strength 63,000 SAE Alloy. It is made heavier where the spring/spring plate mounts correcting the OE cover cracking issues. This cover is proudly made in Michigan by us. Fits 1963-77 Corvettes, but always measure the bolt diameter as some later models have this cover. This mounts to 9/16" Diameter bolts (4) and a 2-1/4" rear spring. These are the Only USA Made Differential Covers Available.
$132.00