SBC CYLINDER HEAD CAST IRON 14 DEGREE PORTERS-PORT CHEVY EACH
UNPORTED - GUIDES NOT INSTALLED.
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 airfl ow potential of any competitive performance cylinder head. The fl atter 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 fl atter 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 airfl ow & horsepower potential • 235cc intake runner volume capable of 285cc volume sizing
SERIES: PRO ACTION™
DESCRIPTION: 14° Small Block Chevy
Cylinder Heads; Cast Iron; Angle Plug
APPLICATION: 350-421c.i. Recommended Iron-Mandated Circle Track & Drag Racing
VALVE GUIDES: Premium Bronze Material (NOT INSTALLED)
SPARK PLUGS: 14mm Thread, .708" Reach, Tapered Seat
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