Revmaster Heads Posted on July 21, 2023July 31, 2023 by Bill Fluhr Somewhat expensive, but the best money can buy! Chambers cut for 92mm thick cylinders. Dual 12mm spark plugs, stainless valves. Notice the unique cutout block off plates … for access to the lower spark plugs Post navigation ← Ordering Engine Parts – VW 2180ccEFI Goodies →