Mr. Gasket Rear Main Seal (1957 Small Block V8 150, 210, Bel Air, Nomad)

Rear Main Seal Upgrade. The 1967-69 Rear Main Oil Seal for Small Block engines provides a reliable sealing solution to prevent oil leaks at the rear main bearing of the engine. Designed as a replacement component, this seal ensures effective engine oil containment, which is crucial for optimal engine performance and longevity. It replaces traditional rope-style seals with improved durability and temperature resistance.

Construction and Appearance. This rear main seal is constructed from high-quality silicone rubber, which endures extreme engine oil temperatures without degrading. Injection molded for a precise and consistent fit, the seal enhances sealing effectiveness and offers greater resilience compared to conventional rubber or rope seals.

Installation. Installation is straightforward and requires no additional drilling or modification to existing engine components. The seal fits securely within the housing, making it suitable for both professional mechanics and experienced enthusiasts.

Warranty. This product includes a manufacturer's limited 90-day warranty.

Application. Designed to fit 1957 Small Block V8 engines in 150, 210, Bel Air, and Nomad models, this seal serves as a direct replacement for the original rear main seal without modifications.

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