The 1937-1986 GM Car & Truck 2" Exhaust Pipe Donut Seal / Manifold Packing is a high-quality replacement gasket designed to seal the joint between the exhaust manifold and pipe in classic GM vehicles. Made to withstand extreme heat and pressure, this 2-inch donut seal conforms to the mating surfaces, ensuring a tight, leak-free connection. Whether you're restoring a vintage car or repairing a daily driver, this manifold packing provides essential exhaust sealing and helps maintain optimal system performance and efficiency.
Installation:
Difficulty: 2/5 – Requires basic tools and access to exhaust flange or manifold connection.
Instructions: Safely raise and support the vehicle. Remove the old gasket or seal and clean the mating surfaces thoroughly. Place the new donut seal between the manifold and pipe flange or into the socket joint. Reinstall and tighten the bolts evenly to compress the seal. Start the engine and inspect for leaks, adjusting fasteners as needed for a secure, noise-free connection.
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| Make | Model | Years |
| Chevrolet | Chevy II | 1962 - 1968 |
| Chevrolet | Nova | 1969 - 1979 |
