Small Block Chrysler 340, great torque and horsepower up to 6500 rpm

ED60179

60179

Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. Designed for non-emission 1968-73 340 Chryslers, RPM Chrysler 340 heads have chambers machined .060" for clearance with early high-compression engines. The special valvetrain in the 1970 340 T/A is not compatible with these heads. Combustion chamber volume: 65cc Intake runner volume: 171cc Exhaust runner volume: 77cc Intake valve diameter: 2.02" Exhaust valve diameter: 1.60" Valve stem diameter: 11/32" Valve guides: Manganese bronze Deck thickness: 5/8" Valve spring diameter: 1.46" Valve spring maximum lift: .575" Rocker stud: N/A Guide plate: N/A Pushrod diameter: 5/16" Valve Angle: 18° Exhaust port location: Stock Spark plug fitment: 14mm x 3/4" reach, gasket seat Made In: USA