
DART PRO 1 SBC 200/64CC .650 LIFT HEADS #11311113P FREE HARLAND SHARP ROCKERS
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. FREE HARLAND SHARP ROLLER ROCKERS 1.5 OR 1.6 FOR 7/16 STUD (PLEASE SPECIFY) SB Chevy Aluminum Complete Pro 1 Cylinder Heads #11311113P Port Volume: 200cc Chamber Volume: 64cc Spark Plug: Angle Intake Valve: 2.02 Exhaust Valve: 1.60 Springs: 1.550 dual springs for solid roller springs up to .650 lift. Full Platinum treatment utilizing wet-flow technology. Independent tests have demonstrated a typical 25 horsepower gain over the previous Pro1 design. The redesigned chamber features improved fuel distribution, spark plugs are located high and and as close to the center of the chamber as possible and five-angle intake seats shear the liquid fuel and air as it enters the chamber. The intake face, exhaust face and exhaust ports have been redesigned, valve guide bosses are profiled and casting walls are cleaner and more consistent, resulting in greater control over flow, heat and com