Notice: Product Images may differ from the actual product. Image may be a representation of this item.

Pro1 Chevrolet Big Block Head – 310.00 CC Port, 121.00 CC Chamber

Your Price: $2,162.17

SKU: 19100111

Call for Availability

Dart Pro1 Aluminum Big Block Chevy Cylinder Heads

For street performance and mild bracket racing. Under 7,000 RPM, under 500 cubic inches. Excellent midrange torque and power, good for heavier vehicles. Inspired by Dart’s championship winning Pro Stock designs, 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 yet the PRO1 310cc can be used with off the shelf pistons, valve train components, and intake manifolds. 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

SKU: 19100111 Categories: , ,

GTIN: 00807051011456



CNC Ported


Combustion Chamber Volume

121.00 CC

Exhaust Valve Diameter

1.880 IN

Intake Valve Diameter

2.250 IN

Port Volume

310.00 CC



Valve Angle

24 DD

Valve Spring Diameter

1.550 IN

Valve Spring Maximum Lift

0.700 IN

Engine Type