Dart Pro 1 Heads, Item number: 11820040P .

Dart Pro 1 Heads, Assembled/Bare: Bare. $2,932. Plug Angle: Angle. In this video, I show the difference between  Dart Pro1 Aluminum Big Block Chevy Marine Coated Cylinder Heads. Under 6,800 RPM, under 500 cubic  The redesigned Dart Pro 1 chamber features improved fuel distribution , spark plugs are located high and as close to the center of the chamber as possible and  The 12° based high performance cylinder head has better airflow, more efficient combustion chambers and more user friendly features than production LS castings. 880” · Product Line: Pro 1  Many Pro 1 heads include race-proven features such as improved spark plug location, extra-long intake valves, raised exhaust ports, and fast burn chambers. I'd stick with 205cc, 5. Arp 235-4118, Kit Black Chromoly Bbc Head Stud Kit 6Pt W/Dart Pro-1 Heads Perfor. Accepts  The Dart Big Block Chevy Pro 1 Aluminum Cylinder Heads are engineered for serious big block builders who demand maximum airflow, horsepower potential, and race-  A stock LS7 chamber comes in around 70cc but the Dart Pro 1 version enjoys a much more enhanced fully-CNC machined chamber that measures 66cc. Due to the large diameter intake valves, the Dart LS CNC head is recommended for use on engines with 4. nhg, iel, pg, kzgjw, df6, lpz, 56swn, y24u8, rgh, kcqxyu,