These heads deliver significant gains in both power and torque for all Small Block Chevrolet applications - right out of the box. Pro Action™ SBC Aluminum Heads are the perfect choice for a...More Details »
RHS® Pro Action™ Small Block Ford Cylinder Heads include more standard features than any Ford head in the industry, including premium bronze valve guides for extended valve sealing and...More Details »
RHS® Pro Action™Cylinder Heads, the cornerstone of the RHS® line, are ideal for a variety of performance applications, including hot rods, racing, oval track racing and marine. Available in...More Details »
Pit Stop USA is The Online Motorsports Superstore! RHS Performance Cylinder Heads Deliver Power By Design. Racing Head Service is the legendary innovator of cylinder head technology. RHS Pro Action cylinder heads deliver exceptional performance gains for all Small Block Chevrolet owners and are available in a wide variety of intake runner and combustion chamber volumes. RHS Pro Action heads feature straight or angled spark plug configurations, accept valve spring diameters up to 1.550a, and work with all popular Small Block Chevy valve train components. RHS Pro Action cylinder heads are available for Ford 289-351 Windsor and 5.0 liter applications. RHA Pro Action Small Block Ford cylinder heads are the race winneras choice. RHS Pro Torkera" Vortec cylinder heads outflow all previously available Small Block Chevy iron cylinder heads. RHS Pro Torkera" heads deliver the competitive edge in racing classes where iron heads are required. So if youare in the market for a superior-performing cast iron cylinder head, remember that RHS Pro Torker Vortec heads delivers the ultimate in high-quality, high-flow technology. Think aRacing Head Servicea"a For More Applications! RHS heads are available in a wide range of intake runner and combustion chamber volumes Small Block Chevy, Big Block Chevy, Chevy Vortec, Ford Small Block and 5.0 Liter Windsor. Superior performance is no accident; RHS cylinder heads are built to deliver Power By Design. We feature Racing Head Service Pro Torker cylinder heads, Racing Head Service Pro Action Cylinder Heads and Racing Head Service Pro Action Cylinder Heads at low everyday prices.