Proflow Cylinder Heads, SuperMax 220 CNC, SB Chev, Aluminum, Assembled, 7/16 Studs & G/Plates 64cc Chamber, Angle Plug, 210cc Intake Runner,600HP,Pair - PFEAHC22064-CNC
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Original price
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Original price
$4,832.10
$4,832.10
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$4,832.10
Current price
$4,832.10
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+ GST
Stock Status:
⌛ Available — ships from supplier, allow 2–10 days shipping
Part Number: PFEAHC22064-CNC
Proflow Cylinder Heads, SuperMax 220 CNC, SB Chev Aluminum, Assembled, 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, 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. These heads are capable of producing over 600 HP straight out of the box!
| SBC 220 Angle Plug |
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| Specifications & Features: |
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| Material |
A356 Aluminum |
| Intake Port Volume |
220cc |
| Intake seat size |
2.08 |
| Exhaust seat size |
1.6 |
| Intake Port Dimension |
2.200" H x 1.310" W x 3/8 Radius |
| Intake Port Location |
Stock |
| Exhaust Port Volume |
80cc |
| Exhaust Port Dimension |
1.420" H x 1.545" W |
| Exhaust Port Location |
0.250" Raised |
| Combustion Chamber Size |
65cc or 72cc |
| Valve Cover Bolt Pattern |
Perimeter Bolt |
| Valve Angle |
23° |
| Valve Spring Pocket Diameter |
1.580" 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. |
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat |
| |
Not Emissions Complient |
| Plug |
Angle Plug option |
| Valve, 2.080" x 5.000" Overall Valve Length |
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| Exhaust Valve, 1.600" x 5.030" Overall Valve Length |
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| Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400 |
| 7/16" Rocker Studs |
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| 5/16" Guide Plates |
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| Viton Valve Seals |
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| Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D |
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| Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep |
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| Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep |
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| Bronze Valve Guides .502" O.D x 2.100" O.A.L |
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| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads. |
| Exhaust Port Gasket, Fel-Pro #1405 |
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| Head Gasket, 350cid Fel-Pro #1003 |
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| Head Gasket, 400cid Fel-Pro #1014 |
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| SB Chevy Head Bolt Kit, ARP #134-3701 |
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| SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301 |
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