AFR SBC Aluminum Heads 227cc Eliminator Race Angle Plug Assembled

AFR SBC Aluminum heads 227cc eliminator race spread port exhaust angle plug assembled heads with 65cc combustion chamber and 2.100 intake/ 1.600 exhaust valves. This head features 60/40 valve spacing and requires shaft mount rocker arms for optimum valve train geometry (can be used with .050 offset intake rockers for drag race only applications). Small Block Chevy Cylinder Head  Eliminator Race  Assembled  2.100 / 1.600 in Valves 227 cc Intake  65 cc Chamber 1.55 in Springs Spread Port Exhaust  Angle Plug Aluminum Pair 227cc Competition Flow Chart   .200 .300 .400 .500 .550 .600 .650 .700 .750 Int 152 212 260 292 310 316 322 327 329 Exh 120 160 214 230 234 238 241 243 245 Test conducted at 28" of water (pressure) on Superflow 600Bore Size: 4.155", intake 3/4" radius plate exhaust, 1 7/8" curved pipe