World Products® 043610 - S/R Iron Complete Cylinder Head

S/R Iron Complete Cylinder Head by World Products®. World's S/R cylinder heads are the preferred alternative to expensive OEM castings or junkyard rebuilds. These heads are designed with extra-thick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with today's unleaded gasolines. They are machined for screw-in rocker arm studs for extra durability. S/R Cylinder heads are fully 50-state emissions legal and because they are an OEM replacement head, they are legal for use by many oval tracks and race Sanctioning organizations.

Specifications

Features

• Meticulously tested to offer unprecedented performance
• Guaranteed to survive under tough racing conditions
• Built strong to provide long-lasting service life

World Products® has been producing affordable high performance cast iron engine blocks and cylinder heads for twenty five years, beginning in 1987 with a pioneering small block Chevrolet cylinder head and continually expanding the line to become a leading aftermarket manufacturer. World Products first design was a cast iron head for the small block Chevrolet that delivered impressive performance gains. This head became an instant success and was named Product of the Year in 1988 by Hot Rod Magazine. It produces 30-70 HP over stock heads, and remains the only high performance cast iron small block head to be certified for use in many racing leagues.