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 holes. This stops the head bolt hole distorting on aluminium heads when using 7/16'' bolts on 289 / 302 standard Windsor blocks.

SPECIFICATIONS

Combustion Chamber 60 cc
Intake Port Volume 185 cc
Intake Port Dimensions 2.10” (H) x 1.25” (W)
Exhaust Port Volume 63 cc
Exhaust Port Dimensions 1.355” (H) x 1.360” (W)
Spark Plug Location OEM
Intake Valve Diameter 2.020”
Exhaust Valve Diameter 1.600”
Valve Stem Diameter 8 mm
Valve Spring Pocket ID 1.50”
Valve Guide OD 0.500” (0.560” at base)
Maximum Valve Lift 0.600”
Rocker Stud Thread Size 7/16”-14
Valve Angle 20
Deck Thickness 0.700”

More From This Category

Proflow Cylinder Heads, AirMax 180, Aluminium, Assembled, SB Chrysler/Mopar 63cc Chamber, 176cc Intake Runner, Pair

Proflow Cylinder Heads, AirMax 180, Aluminium, Assembled, SB Chrysler/Mopar 63cc Chamber, 176cc Intake Runner, Pair

$2,089.50

View
Proflow Cylinder Heads, AirMax 200, 535HP, Aluminium, Assembled, 72cc Chamber, Angle Plug, 200cc Intake Runner, SB For Chevrolet, Pair

Proflow Cylinder Heads, AirMax 200, 535HP, Aluminium, Assembled, 72cc Chamber, Angle Plug, 200cc Intake Runner, SB For Chevrolet, Pair

$1,762.90

View