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Pro1 Chevrolet Small Block Head – 200.00 CC Port, 72.00 CC Chamber

Your Price: $1,155.60

SKU: 11421111P

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Dart Pro1 Aluminum Small Block Chevy Cylinder Heads

Street performance, restricted oval track, and marine performance upgrade. Mid-range to 6,500 RPM. Best for 383-434 cubic inch engines. Dart PRO1 23 Deg 200cc Platinum series heads offer increased air flow at high valve lift for large displacement engines. 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, studs, guide plates and seals.
Heads are sold individually

SKU: 11421111P Categories: , ,

GTIN: 00807051004601



CNC Ported


Combustion Chamber Volume

72.00 CC

Exhaust Valve Diameter

1.600 IN

Intake Valve Diameter

2.020 IN

Port Volume

200.00 CC



Valve Angle

23 DD

Valve Spring Diameter

1.250 IN

Valve Spring Maximum Lift

0.510 IN

Engine Type