RHS® - Pro Elite™ Bare CNC-Ported Cylinder Head

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1978 Ford F-100
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Product Details

Ford F-100 5.0L / 5.8L With Ford Small Block Engine 1978, Pro Elite™ Bare CNC-Ported Cylinder Head by RHS®. Designed with Small Block Ford racing enthusiast in mind, these heads give you all of the benefits of professional CNC porting – straight from the factory! However, the CNC porting is done off of a known port, providing more airflow consistency than hand-ported runners. In addition to the CNC-ported intake and exhaust runners, the combustion chambers are also CNC-ported to moderate valve shrouding and maximize airflow efficiency. Prior to porting, the heads are given a multi-angle valve job for up to 5% more airflow right from the start.This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.



Material: Aluminum
Combustion Chamber Volume: 62cc
Intake Runner Volume: 205cc
Exhaust Runner Volume: 79cc
Intake Valve Diameter: 2.055" + 0.100"
Exhaust Valve Diameter: 1.600" + 0.100"
Valve Angle: 20°
Spark Plug Style: Angle


  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements

Racing Head Service™ the legendary innovator of airflow technology offers the ultimate in cylinder head, engine block and intake manifold performance. Utilizing the resources of the industry leading COMP Performance Group™ engineering and development team and the most sophisticated engine technology in the performance aftermarket, RHS® has re-established itself as a leader in airflow design.

California Residents

WARNING Cancer and Reproductive Harm.   www.p65warnings.ca.gov

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Racing Head Service® (RHS®) warrants that all of its products are free from defects in material and workmanship for a period of one year. The warranty period begins from the date of purchase. This limited warranty shall only cover the original purchaser. The warranty does not include the following: -Any product that has been physically altered, improperly installed or maintained. -Any product used in an improper application, abused or not used in connection with the proper parts. -Any product that is defective due to neglect, unauthorized repair or as the result of an accident. There is no implied warranty of merchantability or fitness for a particular purpose. The RHS® obligation under this warranty is limited to the repair or replacement of its products. There are no warranties that extend beyond the description on the face of this warranty. RHS® will not be responsible for incidental, consequential, indirect, special or exemplary damages or any third-party claims or property damage or personal damages resulting from use of its products. If there is by law an implied warranty of merchantability and/or fitness, it is limited to the warranty terms set forth above. This limited warranty gives you specific legal rights, and you may have other legal rights, which vary from state to state or country to country.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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