BARE - NO PARTS - V8 Holden 304 5.0L VN Carby Cylinder Heads NO EFI notch, SuperMax

Holden 308 304 5.0L EFI VN Cylinder heads. Suits 1989-98 Holden VN Commodore 5.0L engines applications with a CARBY as these Holden Cylinder heads have no EFI port allowance. 

Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of Engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302,351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB, phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. These fully assembled heads have stainless steel valves and high performance valve springs. Perfect for your Mild or High performance Hot Rod.

Use Proflow Aluminium Rocker kit # PFERRK-6000

SPECIFICATIONS

Combustion Chamber    63 cc

Intake Port Volume          200 cc

Intake Port Dimensions  2.170” (H) x 1.285” (W)

Exhaust Port Volume       72 cc

Exhaust Port Dimensions               1.450” (H) x 1.283” (W)

Spark Plug Location         OEM

Intake Valve Diameter     2.020”

Exhaust Valve Diameter 1.60”

Valve Stem Diameter       5/16"

Valve Spring Pocket ID    1.650”

Valve Guide OD 0.530”

Maximum Valve Lift         0.700”

Rocker Stud Thread Size 7/16”-14

Valve Angle         5

Deck Thickness  0.6875”

SOLD AS A PAIR - NO PARTS - CYLINDER HEADS

NOTE: We can assemble to your requirments.