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Pro1 Chevrolet Big Block Head – 225.00 CC Port, 62.00 CC Chamber

Your Price: $2,229.01

SKU: 13072142

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Dart Pro1 CNC Aluminum Big Block Chevy Cylinder Heads

Serious street performance, mild bracket racing and oval track. Maximum torque and throttle response from 3,500 to 7,800 RPM. Best for 363-427 cubic inch engines. Works with most standard components. Every intake port, exhaust runner, valve bowl, and every combustion chamber is 100% CNC machined on special dedicated PRO1 castings. These heads are ideal for high compression, big cubic inch small blocks and are great for supercharged applications. Exhaust runners are raised .135 in. for improved flow. Manganese Bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels. Features 3.000 in. exhaust bolt pattern. Assemblies include Stainless Steel valves, premium springs, locks, retainers, studs, guide plates and seals.
Heads are sold individually

SKU: 13072142 Categories: , ,

GTIN: 00807051006759



CNC Ported


Combustion Chamber Volume

62.00 CC

Exhaust Valve Diameter

1.600 IN

Intake Valve Diameter

2.080 IN

Port Volume

225.00 CC



Valve Angle

20 DD

Valve Spring Diameter

1.437 IN

Valve Spring Maximum Lift

0.650 IN

Engine Type