Collector Gasket 3-1/2in

The Mr. Gasket Collector Gasket 3-1/2in (MPN 1203) is a high-quality compressed fiber gasket designed for exhaust manifold-to-collector transitions on both street and performance engines. This gasket is essential for anyone rebuilding a classic car's exhaust system or upgrading to aftermarket headers, ensuring a tight seal at the critical junction where manifold runners meet the collector housing.

Constructed from compressed fiber, this gasket offers excellent heat resistance and sealing integrity, effectively managing the thermal cycling that exhaust systems undergo during operation. Its 3-1/2 inch diameter is compatible with most stock and intermediate collector designs, while its minimal thickness of 0.1 inches allows for proper gasket crush when fastened, ensuring a stable metal-to-metal seal across repeated heat cycles.

Mechanics and engine builders trust Mr. Gasket collector gaskets for complete exhaust system installations, header swaps, and engine rebuilds where reliable manifold sealing is crucial. This gasket is suitable for both domestic and import engines, making it a versatile choice for a wide range of applications.