off the Stage 2 iron head developed by Buick engineers, and refined over the years ... 20 years of experience. The modified exhaust runner, or lack of, is the secret to ... head. By eliminating the dog leg style exhaust runner, spent exhaust gas is sent ... quicker flow and more volume from the exhaust port. The superior exhaust port design ... of the box have a near ideal intake to exhaust flow relationship. Use of these heads ... Stage 2 Street Eliminator (SE) Intake Exhaust Port Configurations V8 CYLINDER HEADS ... Performance Products, Inc. Lift inches Buick 455 TA Stage 2 SE w/ competition valve ... blending of the valve job .100 .200 .300 .400 .500 310 10 60 110 160 210 260 . ...
. This is the one located at the #2 exhaust port. Fairly simple modification of the ... will be required. Due to the different exhaust side and header design used with Stage ... $2550.00 Bare Castings $1495.00 Intake Exhaust Again, as with the Stage 1 TE heads, we ... used in conjunction with the superior exhaust runner of the Stage 2, horsepower gains ... Series Heads with the oversized intake valves and porting have flowed almost 380 CFM ... an amazing 340 CFM at .500 ! Stage 2 exhaust ports can be ported to 260+ CFM. Please ... these heads with porting and oversized valves, this head is ideal for stroker ... top end! Valve Lift .050 .100 .200 .300 .400 .450 .500 .550 .600 .650 .700 ... 83 158 225 293 315 341 360 374 378 372 EXHAUST 34 65 117 178 216 231 243 252 259 263 ... ** Using Optional Oversized Intake Valves and Full (Hand) Porting V8 CYLINDER ...