Pro Action™ vs Pro Elite™ Cylinder Heads


Pro Action™ Cylinder Heads, the cornerstone of the RHS® line, are ideal for a variety of performance applications, including hot rods, drag racing, oval track racing and marine. Available in aluminum, Pro Action™ heads deliver more features, higher flow characteristics and better finish quality than other competitive brands.

  • Aluminum design with a wide variety of runner & chamber sizes
  • Enhanced features & superior quality that out performs the competition right out of the box

Application: Hardcore street, race & powerboat engine applications


The RHS® Pro Elite™ series of CNC-ported cylinder heads is designed for absolute maximum engine performance. Utilizing innovative design features, modern engineering methods & precision CNC machining, Pro Elite™ Cylinder Heads are second-to-none.

  • Innovative aluminum designs with race-inspired features
  • Delivers maximum airflow for remarkable performance gains

Application: Extreme performance & race applications