Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BARE
Part Number: PFEAHC18064SP-BARE
Proflow Cylinder Heads, AirMax 180,SB Chev Aluminium, Bare, 64cc Chamber
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 |
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| Material | A356 Aluminium |
| Intake Port Volume | 180cc |
| Intake seat size | 2.02 |
| Exhaust seat size | 1.6 |
| Intake Port Dimension | 2.050" H x 1.250" W x 5/16° Radius |
| Intake Port Location | Stock |
| Exhaust Port Volume | 64cc |
| Exhaust Port Dimension | 1.450" H x 1.550" W |
| Exhaust Port Location | 0.100" Raised |
| Combustion Chamber | 65cc or 72cc |
| Valve Cover Bolt Pattern | Perimeter Bolt |
| Valve Angle | 23° |
| Valve Spring Pocket Diameter | 1.460" O.D |
| Max Valve Spring Pocket Machining Warning: Do not machine spring pad any deeper. |
1.750" O.D |
| Deck Thickness | .750" |
| Minimum Bore Diameter | 4.000" |
| Flat Mill | .006" per cc 60cc Maximum |
| Angle Mill Note: Angle mills might require .120 thick intake gasket. |
.009" per cc 55cc Maximum |
| Minimum Cross Sectional Area | 1.810 sq. in. |
| Spark Plug Dimensions | 14mm x .750" w/Gasket Seat |
| Carb EO# | D-250-2 |
| Straight Plug | Angle Plug option |
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