Patriot Exhaust 66032 Seal-4-Good GM LS-Series 1.625-Inch Round Port Header Gaskets, Pair

Patriot Exhaust Seal-4-Good header gaskets are designed to provide a reliable seal between compatible GM LS-Series cylinder heads and exhaust headers. Part number 66032 features a 1.625-inch round port configuration for applications using matching exhaust components, helping minimize exhaust leakage and support consistent system performance.
Constructed from multi-layered aluminum, these gaskets are engineered for durability and dependable sealing under demanding exhaust temperatures and pressure conditions. The layered design conforms to mating surfaces while helping maintain sealing integrity during repeated heat cycles, making this pair a practical choice for engine builds, repairs, and header installations.
These Patriot Exhaust gaskets are intended for GM LS-Series applications with compatible 1.625-inch round-port headers and cylinder heads. Verify port style, header fitment, and application requirements before installation. Each package includes a pair of gaskets for servicing both sides of a V8 engine. Installation should follow the header and engine manufacturer’s recommended procedures, including proper fastener torque and surface preparation.

Features:

• Brand: Patriot Exhaust

• Part Number: 66032

• Application: GM LS-Series engines with compatible exhaust headers

• Port Style: 1.625-inch round port

• Material: Multi-layered aluminum

• Product Type: Exhaust header or manifold gasket

• Quantity: Pair