Engine Kits

RHS Pro Action SB Chevrolet Cylinder Heads
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RHS Pro Action SB Chevrolet Cylinder Heads



Part #: 12047
List Price: $862.92
Our Price: $431.46
You Save: $431.46



RHS Pro Action SB Chevrolet Cylinder Heads These Pro Action are Aluminum, and are Bare, 72cc Chamber, 235cc Intake Runner, Sold Each - 1 Cylinder Head

Pro Action cylinder heads by RHS deliver exceptional performance gains for all small block Chevy owners. They come available in both aluminum and cast iron and in a wide variety of intake runner and combustion chamber volumes. Pro Action small block Chevrolet cylinder heads feature straight or angled spark plug configurations, accept valve spring diameters up to 1.550 in., and work with all popular small block Chevy valvetrain components.

Additional features include:
  • Multi-angled intake valve seats
  • Radius exhaust valve seats
  • Improved valve guide design
  • Highly efficient water jacket
  • Manganese intake valve guides
  • Bronze exhaust valve guides
  • Hardened valve seats
  • Extra-thick deck faces
Brand Racing Head Service