- LS / LT Performance
- LS / LT Engines & Components
- JEGS Small Block Chevy Centerbolt Valve Cover Adapters
Have you ever been frustrated over the lack of valve cover selection for the 87-newer small block Chevy centerbolt style heads? Building a retro ride with a small block Chevy late model crate engine? We have the kits for you! Our CNC machined billet valve cover adapters allow you to run the early 1959-86 style perimeter fastened small block Chevy valve covers. Includes mounting hardware and O-ring seals. Just add your favorite valve covers and gaskets!