The 2-1/2 Collector Gasket 3-Hole is a precision exhaust manifold gasket designed to seal the junction between an engine's exhaust manifold and cylinder head in applications requiring a three-bolt configuration. This gasket is ideal for those performing routine maintenance or rebuilding engines.
Constructed with a steel laminate core and precision-molded elastomer facing, the 2-1/2 Collector Gasket 3-Hole features a thickness of 0.063 inches, balancing conformability with durability under thermal cycling. The gasket has a 2.5-inch diameter opening and a three-hole bolt pattern for positive alignment and consistent clamping pressure.
Technicians and automotive enthusiasts rely on the 2-1/2 Collector Gasket 3-Hole for Chevy small-block and similar engine platforms requiring this bolt pattern. Installation is straightforward: ensure manifold surfaces are clean, position the gasket dry, and torque bolts to specification.
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