Racing Head Service Cylinder Heads - Don't Call It A Comeback
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This cross section demonstrates why these heads offer greater bang for the buck. Notice the roof and the smooth radius, which improves velocity and torque. Valveguides are recessed, which keeps them out of the way. The water jackets are designed to reduce detonation and increase thermal conductivity. Also note the thick fire deck for increased sealing for boosted applications and allowing angle milling as well. View Related Article
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