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Pro Action™ cylinder heads by RHS™ deliver exceptional performance gains for all Small Block Chevrolet owners. Available in both aluminum and cast iron, and in a wide variety of intake runner and combustion chamber volumes, Pro Action™ heads are the cylinder head of choice for all Small Block Chevy applications from street rods and muscle cars to oval track and drag racing.
Pro Action™ Small Chevy cylinder heads feature straight or angled spark plug configurations, multi-angled intake and radiused exhaust valve seats, and Clean Cast Technology™ for superior performance, right out of the box. Pro Action™ heads accept valve spring diameters up to 1.550”, and work with all popular Small Block Chevy valve train components.
FEATURES
Multi-angled intake valve seats
Radius exhaust valve seats
Improved valve guide design
Refined water jacket design
Manganese intake valve guides
Bronze exhaust valve guides
Hardened valve seats
Extra-thick deck faces
Clean Cast Technology™
AVAILABLE SIZES
INTAKE RUNNER
180cc
200cc
220cc
235cc
COMBUSTION CHAMBER
50cc
64cc
72cc
*PLEASE SPECIFY INTAKE RUNNER SIZE,COMBUSTION CHAMBER,& SPARK PLUG ANGLE PERFORMANCE CYLINDER HEADS & COMPONENTS POWER BY DESIGN™ Pro Action™ Heads Chevy Small Block Chevy Big Block Ford Small Block Honda GSR VTEC Pro Elite™ Heads GM Gen III Pro Torker™ Heads Chevy
Shipping, payment details, and return policy
Ships to
United States
Shipping and Handling
*Sellers are not responsible for service transit time. This information is provided by the carrier and excludes weekends and holidays. Note that transit times may vary, particularly during peak periods.
Shipping insurance
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Payment methods accepted
Money order/Cashiers check
Other - See Payment Instructions for payment methods accepted