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. 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

Combustion Chamber   58 cc
Intake Port Volume   205 cc
Intake Port Dimensions   2.13” (H) x 1.28” (W)
Exhaust Port Volume   70 cc
Exhaust Port Dimensions   1.40” (H) x 1.40” (W)
Spark Plug Location   OEM
Intake Valve Diameter   2.080”
Exhaust Valve Diameter   1.60”
Valve Stem Diameter   8 mm
Valve Spring Pocket ID   1.64”
Valve Guide OD   0.490” (0.560” at base)
Maximum Valve Lift   0.800” @ 1.250”
Rocker Stud Thread Size   7/16”-24
Valve Angle   20°
 Deck Thickness   0.750”
Installed Spring Height   2.050” @ 175lbs

 

Proflow Cylinder Heads, SuperMax 205, Aluminum, Assembled 58cc Chamber, 205cc Intake Runner, SB Ford 289, 302, 351W, 600HP Out of Box, Pair Diagram Image

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. 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

Combustion Chamber   58 cc
Intake Port Volume   205 cc
Intake Port Dimensions   2.13” (H) x 1.28” (W)
Exhaust Port Volume   70 cc
Exhaust Port Dimensions   1.40” (H) x 1.40” (W)
Spark Plug Location   OEM
Intake Valve Diameter   2.080”
Exhaust Valve Diameter   1.60”
Valve Stem Diameter   8 mm
Valve Spring Pocket ID   1.64”
Valve Guide OD   0.490” (0.560” at base)
Maximum Valve Lift   0.800” @ 1.250”
Rocker Stud Thread Size   7/16”-24
Valve Angle   20°
 Deck Thickness   0.750”
Installed Spring Height   2.050” @ 175lbs

 

Proflow Cylinder Heads, SuperMax 205, Aluminum, Assembled 58cc Chamber, 205cc Intake Runner, SB Ford 289, 302, 351W, 600HP Out of Box, Pair Diagram Image