Proflow Cylinder Heads, AirMax-B, Bare SB Chev, 200, 535HP, Aluminium, 64cc Chamber, Angle Plug, 200cc Intake Runner, Pair
Part Number:PFEAHC520064AP-BARE
Proflow Cylinder Heads, AirMax 200,SB Chev Aluminium, Bare, 64cc Chamber
Proflow does not sacrifice quality for a low priceyou 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 |
|
| Material | A356 Aluminum |
| Intake Port Volume | 200cc |
| 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 | 1.750" O.D |
| Warning | Do not machine spring pad any deeper. |
| Deck Thickness | .750" |
| Minimum Bore Diameter | 4.000" |
| Flat Mill | .006" per cc 60cc Maximum |
| Angle Mill | .009" per cc 55cc Maximum |
| Note | Angle mills might require.120 thick intake gasket. |
| Minimum Cross Sectional Area | 1.810 sq. in. |
| Spark Plug Dimensions | 14mm x.750" w/Gasket Seat |
| Carb EO# | D-250-2 |
| Plug | Angle Plug |
FEATURES |
| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads. |
| 8mm Bead Lock Intake Valve, 2.020" x 4.900" Overall Valve Length: Made by Ferrea |
| 8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length: Made by Ferrea |
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, |
| 140 lbs on seat,.600" maximum lift, Max RPM 6300-6500 |
| 7° Manley Chrome Moly Retainers 1.245" O.D x.885" I.D x.655" I.D |
| 7° Bead Lock Valve Keepers |
| 3/8" Rocker Studs |
| 5/16" Guide Plates |
| Viton Valve Seals.600" O.D x.495" I.D |
| Hardened Valve Spring O.D Locator 1.380" O.D x.570" I.D |
| Powder Metallurgy Intake Valve Seats 2.200" O.D x 1.750" I.D x.375" Deep |
| Powder Metallurgy Exhaust Valve Seats 1.696" O.D x 1.325" I.D x.305" Deep |
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