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They also help to insulate the carburetor from engine heat and provide clearance for linkages
Manufactured with lightweight aluminum technology
horse power increase of 10-15
Speedmaster 4340 Billet Steel crankshafts are manufactured from high quality true billet round bar stock
Don't spend hours figuring out which pieces and parts you need to get what you want from your engine
Borg Warner GM 7.75" 9 Bolt Differential Girdle Cover They also help to insulateSpeedmaster 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.
