Proflow Cylinder Heads, AirMax 170, SB Ford 289, 302, 351W
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 engines, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have 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.
Note: We suggest using Proflow Head Bolt Stepped washers part number PFEAHF-HBW Proflow head bolt insert washers are designed to be used on Ford Windsor cylinder heads in applications where you have 7/16" head bolts being used in 1/2" bolt hole Stops head bolt hole distorting on aluminium heads when using 7/16 bolts on 289 / 302 standard Windsor block
Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
175cc(177.4)
Intake seat size
2.02
Exhaust seat size
1.60
Intake Port Location
Stock
Exhaust Port Volume
66cc(66.4)
Exhaust Port Location
Stock
Combustion Chamber Size
60cc
Valve Cover Bolt Pattern
Perimeter Bolt
Valve Angle
20°
Valve Spring Pocket Diameter
1.460" O.D(1.55" is available)
Deck Thickness
0.75
Spark Plug Dimensions
14mm x .750"
Head Bolt Diameter
1/2"
Valve Guide material
Manganese Bronze
Valve Guide I.D
11/32 or 8mm
Valve Seat Material
Powdered Metal
Accessory Bolt Holes Drilled
Yes
Cylinder Head Finish
As Casting
Engine Make/Size
Ford 5.8L/351W
Guideplates Included
Yes 5/16 Adjustable
Heat Crossover
No
Lock Style
7 degree
Machined for O-Ring
No
Maximum Valve Lift
0.575 in (14.605 mm)
Oiling Style
Through pushrod
Outside Diameter of Outer Spring
1.46 in (37.1 mm)
Package Depth
20
Package Height
7.38
Package Width
13.8
Rocker Arm Nuts Included
No
Rocker Arms Included
No
Rocker Studs Included
Yes 7/16
Shipping Weight
50 pound
Valve Cover Mounting Style
Perimeter bolt
Valve Guides Included
Yes
Valve Seat Machine Style
5 ANGLE
Valve Seats Machined
Yes
Installed Spring Height
125lb @ 1.800"
Recomended Components
Spark Plugs: Champion RC12YC or equivalent
Head Bolts: 7/16" ARP 154-3605 1/2" ARP 154-3603
Head Studs: 1/2" ARP 154-4003
Head Gaskets: Fel-Pro 1011-1
Intake Gaskets: Fel-Pro 1250
Exhaust Gaskets: Fel-Pro 1415
$1,699.00Purchase directly from our trusted partner VPW. Buy Now on VPW
