PROMAXX Performance Maxx Series Big Block Mopar Cylinder Heads

Introducing the PROMAXX Performance Maxx Series Big Block Chrysler cylinder heads. For superior casting strength and durability, they are cast from A356 aluminum and heat-treated to T-6 specifications. These cylinder heads feature 2.140 inch stainless steel intake, and 1.810 inch stainless exhaust valves. Heads include chromoly retainers, hardened locks, 5-angle valve job, diamond-honed guides, and high performance valve springs capable of supporting .600 inches of lift. All PROMAXX Performance Maxx Series big block Mopar cylinder heads have the bowls blended by hand, and are assembled by professional builders. By flowing over 295 cfm and using all stock-type components, they provide Mopar enthusiasts an affordable choice in the market without sacrificing quality. Wake up your Mopar and install a set of PROMAXX Performance Maxx Series big block Mopar cylinder heads. Show Less