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These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use
The Speedmaster block is ready for the street racer or all-out racer with added strength and cubic inches
and large HEIs or DuraSparks
nitrided and black oxide coated for corrosion and wear resistance
Made of durable steel
Borg Warner GM 7.75" 9 Bolt Differential Girdle Cover These Speedmaster supercharger manifolds areSpeedmaster aluminum differential covers. Made from cast aluminum with thick gasket rails to resist oil leaks, and feature cast in ribs for added strength and heat dissipation. The cover includes mounting bolts for a complete installation.
US$ 260.00
US$ 13.99
