11/32 Steel Exhaust Valve Guide Upgrade for Power Adder Heads Dart 10D Everything you would come to

Everything you would come to expect from the experience gained manufacturing and developing the world renowned 3V Cleveland heads and intakes

750‚ thick decks

65" exhaust exceeding 300 CFM on a 4

CNC chamber softening that incorporates the generic radial conical softening like most companies use

75" Aftermarket Tall Deck blocks

11/32 Steel Exhaust Valve Guide Upgrade for Power Adder Heads Dart 10D Everything you would come to11 32 Steel Exhaust Valve Guide Upgrade with a K Line Valve Guide Liner insert for Power Adder cylinder heads. Steel valve guides better withstand the higher exhaust temperatures experienced in power adder applications.