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Speedmaster valve seals are posi-stop seals made from high-temperature Viton material for a long-lasting seal
including stock engines
Available for multiple applications
Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity
rear-end housings
GM Turbo 400 TH400 Aluminum Tailhousing with Roller Bearing Speedmaster valve seals are posi-stopThese TH400 aluminum tailhousings feature light weight and improved strength, while using a tailshaft roller bearing rather than the factory bushing for superior lubrication and durability.
US$ 29.95
US$ 30.00
US$ 50.00
US$ 10.00
