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Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor
and friction management
The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength
Speedmaster cylinder head valvetrain kits offer a comprehensive solution for revitalizing your engine's cylinder heads
They feature cast iron construction and are powdercoated to protect against corrosion
Ford SB 289 302 Windsor STD Main Bearings Use the stock Quadra-Jet carbThese Speedmaster main bearings are just what you need to freshen up your engine. Why? They use silicon aluminum bi metal construction. Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold. Bearing wear is dramatically reduced and the fatigue strength is greatly improved.
