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Old 07-31-2009, 09:07 AM
CPG Marketing CPG Marketing is offline
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Default RHS® Pro Action™ SBC 14-Degree 235cc Runner Cast Iron Cylinder Heads
New Pro Action™ heads are best performing “as cast” iron heads you can purchase

Looking for a cast iron Small Block Chevrolet cylinder head that delivers race winning performance in a big way? Perfect for both circle track and NHRA Junior Fuel A nostalgia drag racing, RHS® Pro Action™ SBC 14-Degree 235cc Runner Cast Iron Cylinder Heads offer the largest volume runner of any SBC iron cylinder head on the market at 235cc with the capability to be sized as large as 285cc. That combined with the rolled valve angle, high port intake opening and offset valve location provide the most airflow potential of any competitive performance cylinder head. And with this much airflow possible, there is potential for enormous power gains!





The RHS® Pro Action™ SBC 14-Degree 235cc Runner Cast Iron Cylinder Heads use the flatter piston to valve angle configuration to their advantage by netting a 42-47cc combustion chamber to generate a high compression condition without the need for a raised piston dome. In addition, the high port intake runner location improves the straight-through nature of the port for better airflow. Additional material has also been added to critical areas within the head to allow for additional port customization and increased resistance to cracking. The RHS® Pro Action™ SBC 14-Degree 235cc Runner Cast Iron Cylinder Heads are available in three configurations, including the standard “as cast” version with 235cc intake runner port volume, runner P-Port with seats and guide holes machined (parts not included), and runner P-Port without machined seats or guide holes. For more information about the RHS® Pro Action™ SBC 14-Degree 235cc Runner Cast Iron Cylinder Heads or any other RHS® product, call us at 1-877-776-4323, or visit us online at www.racingheadservice.com.


Quick Summary
Product: RHS® Pro Action™ SBC 14-Degree 235cc Runner Cast Iron Cylinder Heads
Part Number: #12804 (As Cast); #12805 (Machined Seats & Guide Holes); #12806 (Unmachined Seats & Guide Holes) Buy Now

• Designed for use with Small Block Chevy circle track & NHRA Junior Fuel A Class nostalgia drag racing applications
• 235cc intake runner volume capable of 285cc volume sizing
• 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

The RHS Cylinder Head Difference
RHS Cylinder Head Series Explained
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