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Pro1 Chevrolet Big Block Head – 275.00 CC Port, 121.00 CC Chamber

Your Price: $2,729.96

SKU: 19000112M

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Dart Pro1 Aluminum Big Block Chevy Marine Coated Cylinder Heads

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 PRO1’s 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.
110cc chamber heads available upon request.; Heads are sold individually

SKU: 19000112M Categories: , ,

GTIN: 00807051011272



CNC Ported


Combustion Chamber Volume

121.00 CC

Exhaust Valve Diameter

1.880 IN

Intake Valve Diameter

2.250 IN

Port Volume

275.00 CC



Valve Angle

24 DD

Valve Spring Diameter

1.550 IN

Valve Spring Maximum Lift

0.700 IN

Engine Type