He has the 340 style Edelbrock head with .060 removed from the chamber for stock 340 pistons above deck.
Designed for non-emission 1968-73 340 C.I.D. Chrysler engines. 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. Head comes with springs for hydraulic flat tappet cams.
