RFD 14* Dart Big Chief Power Adder

This is all of our spread port and top sportsman / NOS experience tossed into one cylinder head. Dart made an excellent platform for RFD to build the most powerful spread port head available. The BEST head for Top Sportsman , Top Dragster, Truck & Tractor pull or all out Marine using Nitrous. This is our most powerful standard bore spacing head for NOS applications and larger engines like 706" +


Name: RFD 14* Dart Big Chief Power Adder


Platform: Big Block Chevy

Price: $8,650

Price is for complete set

Cylinder Head Specifics

Bore: 4.84" Bore Space
Intake Valves: 2.5"
Exhaust Valves: 1.82"
Flow: 560+

Other Specs

> 14x4 Intake Valve Angle
> 65cc to 86cc Chambers & custom NOS chamber
> Pro-Stock Port & Valve Seat Technology
> Fits Both Cast Single 4 & Tunnel Ram Intakes
> Several port CnC Programs for up to 706" engines
> Custom Built for Your Application
> Sheet-Metal and Billet Intake Packages Available


  • CNC Ported Cylinder Heads

  • Welding, Repair & Fabrication

  • Custom CNC Machining

  • Cylinder Head Development


Monday-Friday 10am-6pm EST

545 South Birdneck Road
Suite 109 Virginia Beach, VA 23451

Phone- (757)222-9717

Fax- (757)222-9890

E-Mail- info@raceflowdevelopment.com