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Convert any one-piece GM TH400 case into a two-piece case with our Speedmaster TH400 case adapter
which are each sold separately
Superior engineering
the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range
Their single-idler design has CNC-machined components and they are easy to install
Chevy SBC 350 1986-97 Center Bolt Rubber Valve Cover Gasket Set - Black Convert any one-piece GM TH400With their synthetic rubber construction, not only can Speedmaster valve cover gaskets offer good sealing characteristics, they can also offer significantly longer life than conventional cork gaskets. Note, however, that because of their higher flexibility, they require the use of a quick drying contact cement to bond them to the valve cover before installation.
US$ 397.50
US$ 197.50
US$ 149.00
