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The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks
Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers
Couple this Hi-Ram intake with the high flowing LS1 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications
Pop-Off plates are designed to release the high pressure that builds up inside of the engine to prevent damaging or cracking your supercharger components
Upgrade your axle system and experience improved performance and durability
Ford 351C Cleveland Exhaust Valve Guide (3061) The Speedmaster blocks are castSpeedmaster valve guides are constructed from high quality bronze for durability and wear, and built to exacting tolerances, they replace your existing worn or damaged valve guides. These guides are offered in a variety of diameters to suit your application..
