For sale is a set of oval port heads with part number 3917215, which are compatible with 1968 BBC Big Block Chevy 396 and 427 engines. These heads were manufactured by GM and have a manufacturing dates of L-20-7, indicating that they were produced in late 1967. They have been inspected and are in good factory condition but need to be rebuilt before use.

These heads are perfect for those looking to upgrade their engine or replace a damaged set of heads. They are compatible with a variety of vehicles and are a great addition to any car enthusiast's collection. Don't miss out on this opportunity to own a piece of automotive history. #63