Part Number: PFEM7594-HEADS

Proflow Cylinder Heads, Rockers & Intake Manifold Kit

Kit Includes Proflow Aluminium Cyl Heads,  Proflow Intake Manifold, Valve Covers , Intake Gaskets , Intake Bolts 

Proflow Cylinder Heads do 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. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.

Proflow's AirMax intake manifold is designed for street and high performance 308-383 c.i.d. Holden Commodore V8 engines that utilize the 1988-98 Holden VN cylinder heads. This AirMax manifold is a dual-plane design that is tuned for both excellent throttle response and greater horsepower from 1500 to 6500 rpm. This manifold has been designed to fit the stock VN Cylinder Heads from 1988-1998.

PLEASE NOTE, DOES NOT FIT VS SERIES 2 &  VT WITH FACTORY ROLLER CAM.

Proflow Intake Gasket : PFEGK012

ARP Intake Bolt Kit :  ARP-105-2001 

Cyl Heads Specifications:

• Material:  A356 Aluminium
• Combustion Chamber:  63cc
• Intake Port Volume:  200cc
• Intake Port Dimension:  Height -2.170 – Width – 1.285
• Exhaust Port Volume:  72cc
• Exhaust Port Dimension:  Height – 1.450” – Width – 1.283”
• Exhaust Port Location:  OEM
• Spark Plug Location:  OEM
• Intake Valve Dimensions:  2.020
• Exhaust Valve Diameter:  1.60"
• Valve Stem Diameter:  8mm
• Valve Spring Diameter: 
• Maximum Valve Lift: 
• Spring Installed Height: 
• Valve Spring Pocket O.D.:1.650 - ID .560
• Valve Guide Material:  Manganese Bronze 
• Valve Guide Seal.:  ID .530"
• Rocker Stud Thread Size: 7/16" x 16
• Valve Angle:  5°
• Deck Thickness:  .750"