

SKU: SKU: CGSC15226
The Cometic GM 8.125in .060in AFM Differential Cover Gasket - 12 Bolt - C15226 is a precision-engineered head gasket with a compressed thickness of .125".
The Cometic Aramid Fiber Matrix (AFM) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Aramid Fiber Matrix (AFM) construction, this gasket uses a high-performance composite gasket material offering excellent chemical resistance and compressibility. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
Verified fitment: Oldsmobile 442 (1968–1970); Oldsmobile Cutlass (1968–1970); Oldsmobile Vista Cruiser (1968–1970).
Free U.S. Standard Shipping on Orders $199+*
Fast Shipping on Thousands of In-Stock Parts
500K+ Performance Parts from 400+ Trusted Brands
