Big Chief 14° 505cc 5.000″ B S
For 5.000” bore space engines. Maximum Top Sportsman, Top Dragster, Pro Mod and Pro Street competition. Excellent with alcohol and nitrous, over 7,000 RPM
The original Dart Big Chief put the spread port design on the map, winning three NHRA Pro Stock championships before being banned from the class.
Our 14° Big Chief’s have dominated in Sportsman classes since their introduction, and we have continued to improve the design with the latest Pro Stock technology now available in 5.000″ bore centers.
With our sophisticated CNC machining programs, we can tailor a pair of Big Chief heads to fit your exact engine combination.
Heads are sold individually.
Material: RMR Cast Aluminum Alloy
Valve Angle: 14°
Intake Port Volume: 505cc
Intake Valve: 2.575”
Exhaust Valve: 1.900”
Chamber Volume: 76cc
Intake Port Shape: Oval
Port Location: Spread port
Big Chief 14° 505cc – Aluminum (5.000″ Bore Space)
18777060 – Bare Head Full Port 505cc 2.575/1.900 4.750
18777169 – Assembly Full Port 505cc 2.575/1.900 1.650T 4.750