Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .075in MLS Cylinder Head Gasket-4.530in Bore TWO 3-1 POLISHED S.S. HEADERS off-road and racing applications
Pay in 4 interest-free payments of $32.74 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10












![GM Turbo 400 TH400 8620 Steel Output Shaft - Standard Length [Mechanical Speedo]](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/PCE684.1001_d7392959-ff98-4083-90e4-f4f0bc864e64.jpg?v=1785144508)












