Dart 19000111 Cylinder Head Aluminum Big Block Chevy Pro1 275cc 2.250″ x 1.880″ Oval Port, Assembly w/ 1.550″ Single Springs for Hydraulic Flat Tappet Lifters
Material: RMR Castย Aluminum Alloy
Valve Angle: 24ยฐ
Intake Port Volume: 275cc
Intake Valve: 2.190โ/2.250โ
Exhaust Valve: 1.880โ
Springs: 1.550″ Single Springs for Hydraulic Flat Tappet Cam Max Lift: .700″
Chamber Volume: 110 or 121cc
Intake Port Shape: Oval
Exhaust Port Location: .300โ raised
For street performance, mild bracket racing and marine. Under 6,800 RPM, under 500 cubic inches. Excellent mid-range torque and power, good for heavier vehicles.
A new high velocity oval port design makes this head an ideal choice for street cars and trucks. The PRO1โs race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports, and fast burn chambers.
Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting.
Assemblies include Stainless Steel valves, premium springs, locks, retainers, guide plates and seals.
Heads are sold individually.
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