What you have here is a brand-new set of Volvo Penta GM based 7.4 454 big port cylinder heads that were put together for a high-performance project and never used and cost way more than we are asking for them.
The casting number on the head is 12562934.
Key words: Chevrolet, GM, General Motors, cylinder heads, big port heads,
High Performance, Advantage boats, Eliminator boats, DCB Boats, MTI Boats, Nordic Boats, Wellcraft Scarab, Cigarette boats, Fountain Boats, Conquest boats, Dana Boats, Cougar Boats, CUV Boats, roller rockers.