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Speedmaster cylinder head valvetrain kits offer a comprehensive solution for revitalizing your engine's cylinder heads
Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor
Get all of the performance that your engine can produce with these durable pushrods designed especially for high-lift cams
They feature cast iron construction and are powdercoated to protect against corrosion
Ford SB 289 302 Windsor STD Main Bearings Speedmaster cylinder head valvetrain kitsThese 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.
