Cometic Ford Big Block 429/460 4.520in Bore 0.043in Copper Head Gasket - C15421-043

The Cometic Ford Big Block 429/460 4.520in Bore 0.043in Copper Head Gasket - C15421-043 is a precision-engineered head gasket with a 4.520" bore and .520" compressed thickness.

The Cometic Copper head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Copper construction, this gasket uses solid copper construction for custom thickness adjustment and superior thermal conductivity. 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.

• Material: Copper
• Bore Size: 4.520"
• Thickness: .520" compressed
• Part Number: C15421-043

Verified fitment: Ford Country (1969–1974); Ford Custom (1969–1976); Ford E 100 (1978); Ford E 250 (1975–1987); Ford E 350 (1975–1987); Ford Elite (1975–1976); Ford F 100 (1973–1974); Ford F 150 (1975–1979); and 24 more.