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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks
The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
These heavy duty replacement Air cleaner bases are designed for Street Scoops
When installing your new shifter
Complete engine sealing with Speedmaster exhaust gaskets
Holley Carburetor Throttle Return Kit The Speedmaster blocks are castSpeedmaster throttle return spring kits come complete with chrome plated brackets, springs, and fasteners.
US$ 55.00
US$ 27104.00
US$ 42.00
US$ 249.97
US$ 249.50
