Proflow Cylinder Heads, AirMax 180, Aluminium, Assembled, 72cc Chamber, Straight Plug, 180cc Intake Runner, SB For Chevrolet, Pair
Part No:PFEAHC18072SP
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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.
SPECIFICATIONS |
|
| Combustion Chamber | 72 cc |
| Intake Port Volume | 180 cc |
| Intake Port Dimensions | 2.00” (H) x 1.20” (W) |
| Exhaust Port Volume | 70 cc |
| Exhaust Port Dimensions | 1.450” (H) x 1.550” (W) |
| Spark Plug Location | Straight |
| Intake Valve Diameter | 2.020” |
| Exhaust Valve Diameter | 1.60” |
| Valve Stem Diameter | 11/32” |
| Valve Spring Pocket ID | 1.49” |
| Valve Guide OD | 0.530” (0.570” at base) |
| Maximum Valve Lift | 0.530” |
| Rocker Stud Thread Size | 7/16”-24 |
| Valve Angle | 23 |
| Deck Thickness | 0.750” |
| Installed Spring Height | 1.790” @ 130lbs |
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.
SPECIFICATIONS |
|
| Combustion Chamber | 72 cc |
| Intake Port Volume | 180 cc |
| Intake Port Dimensions | 2.00” (H) x 1.20” (W) |
| Exhaust Port Volume | 70 cc |
| Exhaust Port Dimensions | 1.450” (H) x 1.550” (W) |
| Spark Plug Location | Straight |
| Intake Valve Diameter | 2.020” |
| Exhaust Valve Diameter | 1.60” |
| Valve Stem Diameter | 11/32” |
| Valve Spring Pocket ID | 1.49” |
| Valve Guide OD | 0.530” (0.570” at base) |
| Maximum Valve Lift | 0.530” |
| Rocker Stud Thread Size | 7/16”-24 |
| Valve Angle | 23 |
| Deck Thickness | 0.750” |
| Installed Spring Height | 1.790” @ 130lbs |
