BBC PRO1 20? 409cc CNC Cylinder Head – Bare 4.500 Bore Chamber

Maximum competition, high torque, high compression – low dome. 8000+ RPM, 500+ cubic inches.

Additional Attributes:

GTIN: 00807051017526
CNC Ported: Yes
Combustion Chamber Volume: 97.00
Cylinder Head Series: Pro1
Engine – Web: 454
Engine Family: Big Block
Engine Type: ICE
Engine: 454
Exhaust Valve Diameter: 1.800
Industry: Automotive
Intake Valve Diameter: 2.350
Make – Web: Chevrolet
Make: Chevrolet
Material: Cast Aluminum
Port Location: Raised
Port Style: Rectangle
Port Volume: 409.00
Product Market: Domestic
Product Type: Engine Cylinder Head
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Valve Angle: 20
Valve Spring Diameter: Bare
Valve Spring Maximum Lift: Bare
Valve Spring Type: Bare

Extended Information:

Emissions : CARB Eligible
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 24.000 x 10.250 x 8.000 inches
Weight: 34.000 PG