| The Pro Action™ 14° Heads offer the largest volume runner of any SBC iron
cylinder head on the market at 235cc with the capability to be sized up
to 285cc. In addition, the rolled valve angle, high port intake opening and
offset valve location provide the most airflow potential of any competitive
performance cylinder head. The flatter piston-to-valve angle nets a 47cc
combustion chamber to generate high compression without a raised piston
dome. The heads are available in three versions: standard "as cast", P-Port
with seats and guide holes machined, and P-Port without machined seats
or guide holes. | | | Designed for use with Small Block Chevy circle track & NHRA Junior Fuel A Class nostalgia drag racing applications | | Features flatter piston-to-valve angle to deliver high compression without the need for a large piston dome | | High intake port runner location provides line of sight to the valve, thereby increasing airflow & horsepower potential | | 235cc intake runner volume capable of 285cc volume sizing |
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