any buddy use ProMaxx Performance 9440 - ProMaxx MAXX Series Big Block Chrysler Aluminum Cylinder Heads Details

Big Block Chrysler 210cc/295+ CFM Additional Cylinder Head Specifications
Valve Angle: 15° Valve Seal Material: Viton Spark Plug Type: Angled Retainer Material: Steel Maximum Spring Lift: .600" Hydraulic Flat Tappet think about use them on 66 440 factory steel crank factory steel rods lighten polish with JE or ROSS pistons full floating pins

8228915-723-9440_6.jpg (4375 downloads)