Big Block Chevy Aluminum Cylinder Heads. 330cc Intake Port 122cc Chamber 2.25"/1.88" Valves. For sale is a PAIR of our newly released Assault Racing rectangle port big block Chevy aluminum cylinder heads. These h eads are assembled and ready to bolt on! Don't settle for a lesser set of cylinder heads, these are the best on the market at this price point! The casting quality is second to none, and these heads have been precision machined to exacting specifications! These are the biggest and baddest sets of heads we have on the shelf, with monstrous 330cc runners! They'll handle everything you can throw at them: boost, nitrous, and ultra-high compression!…

Big Block Chevy Aluminum Cylinder Heads. 330cc Intake Port 122cc Chamber 2.25"/1.88" Valves. For sale is a PAIR of our newly released Assault Racing rectangle port big block Chevy aluminum cylinder heads. These h eads are assembled and ready to bolt on! Don't settle for a lesser set of cylinder heads, these are the best on the market at this price point! The casting quality is second to none, and these heads have been precision machined to exacting specifications! These are the biggest and baddest sets of heads we have on the shelf, with monstrous 330cc runners! They'll handle everything you can throw at them: boost, nitrous, and ultra-high compression!…