Dart 10721143P Engine Cylinder Head

Dart's Iron Eagle heads for small block Chevrolet engines are ideal for street performance enthusiasts and weekend racers alike. These heads are powerful, affordable and come fully assembled with valves and springs. Specifications: 230cc intake ports, 64cc combustion chamber, 1.550 double springs, 2.08/1.60 valves. - 230cc cylinder heads are optimal for engines with 400+ cubic in displacement reaching around 7,000 max rpm. - The 1.550 double spring is intended primarily for engine applications using a mechanical cam. - Cylinder heads sold individually, set required for engine use.

• Made start to finish in the U.S.A.
• Works with virtually all factory standard parts.
• Proven technology tested for the race track and for the street.
• Cast from premium, high strength iron alloy.
• Developed to produce maximum horsepower and efficiency.