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

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.

Additional Attributes:

GTIN: 00807051006759
CNC Ported: Yes
Combustion Chamber Volume: 62.00
Cylinder Head Material: RMR Cast Aluminum Alloy
Cylinder Head Series: Pro1
EBAY Category ID: 33617
Engine – Web: Big Block
Engine Type: ICE
Engine: Big Block
Exhaust Valve Diameter: 1.600
Industry: Automotive
Intake Runner Volume: 225.00
Intake Valve Diameter: 2.080
Make – Web: Chevrolet
Make: Chevrolet
Material: RMR Cast Aluminum Alloy
Port Volume: 225.00
Product Type: Engine Cylinder Head
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Valve Angle: 20
Valve Spring Diameter: 1.437
Valve Spring Maximum Lift: 0.650
Valve Spring Type: Double

Extended Information:

Emissions : CARB Eligible
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 22.25 x 7 x 9 inches
Weight: 28 PG