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. 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 |
|
Combustion Chamber | 60 cc |
Intake Port Volume | 170 cc |
Intake Port Dimensions | 2.00” (H) x 1.18” (W) |
Exhaust Port Volume | 66 cc |
Exhaust Port Dimensions | 1.32” (H) x 1.27” (W) |
Spark Plug Location | Angled |
Intake Valve Diameter | 2.020” |
Exhaust Valve Diameter | 1.600” |
Valve Stem Diameter | 11/32” |
Valve Spring Pocket ID | 1.50” |
Valve Guide OD | 0.530” (0.560” at base) |
Maximum Valve Lift | 0.600” |
Rocker Stud Thread Size | 7/16”-14 |
Valve Angle | 20° |
Deck Thickness | 0.625” |
Installed Spring Height | 1.80” @ 125lbs |
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. 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 |
|
Combustion Chamber | 60 cc |
Intake Port Volume | 170 cc |
Intake Port Dimensions | 2.00” (H) x 1.18” (W) |
Exhaust Port Volume | 66 cc |
Exhaust Port Dimensions | 1.32” (H) x 1.27” (W) |
Spark Plug Location | Angled |
Intake Valve Diameter | 2.020” |
Exhaust Valve Diameter | 1.600” |
Valve Stem Diameter | 11/32” |
Valve Spring Pocket ID | 1.50” |
Valve Guide OD | 0.530” (0.560” at base) |
Maximum Valve Lift | 0.600” |
Rocker Stud Thread Size | 7/16”-14 |
Valve Angle | 20° |
Deck Thickness | 0.625” |
Installed Spring Height | 1.80” @ 125lbs |