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| SBF 220cc Aluminum Cylinder Heads | ||
|---|---|---|
| Part # | Rocker Type | Combustion Chamber |
| 1451 | Stud Mount | 58cc |
| 1456 | Stud Mount | 72cc |
| 220cc Street Head Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 149 | 205 | 264 | 296 | 318 | 334 | 338 |
| Exh | 126 | 173 | 220 | 246 | 251 | 255 | 258 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.155", 3/4" radius plate exhaust, 1 7/8" curved pipe
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5-angle Valve Job | |
| 8mm Bead Lock Intake Valve 2.100" x 5.000" O.A.L. |
AFR7256 |
| 8mm Bead Lock Exhaust Valve 1.570" x 5.030" O.A.L. |
AFR7248 |
| PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400 |
AFR8000 |
| Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D |
AFR8511 |
| 10° Bead Lock Keepers with lashcap recess |
AFR9009 |
| ARP 7/16" Rocker Studs |
AFR6405 |
| Adjustable 5/16" Guide Plates |
AFR6103 |
| Viton Valve Seals .600" O.D x .495" I.D |
AFR6612 |
| Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D |
AFR8048 |
| Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep |
AFR9059 |
| Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep |
AFR9069 |
| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
AFR9051 |
| Specifications & Features: | |
| Material |
A356 Aluminum |
| Intake Port Volume |
220cc |
| Intake Port Dimension |
2.265" H x 1.325" W x 3/8 Radius |
| Intake Port Location |
Stock |
| Exhaust Port Volume |
70cc |
| Exhaust Port Dimension |
1.445" H x 1.595" W |
| Exhaust Port Location |
Raised .375" |
| Combustion Chamber Size |
58cc or 72cc |
| Valve Cover Bolt Pattern |
Perimeter Bolt |
| Valve Angle |
20° |
| Valve Spring Pocket Diameter |
1.580" O.D |
| Max Valve Spring Pocket Machining |
1.580" O.D |
| Deck Thickness |
.750" |
| Minimum Bore Diameter |
4.000" |
| Flat Mill |
.006" per cc 55cc Max (from 58cc); 69cc Max (from 72cc); |
| Angle Mill |
.009" per 52cc Max (from 58cc); 66cc Max (from 72cc); |
| Minimum Cross Sectional Area |
2.345 sq. in. |
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat |
| Head Bolt Diameter |
1/2" |
| Categories | Engine Components |
|---|---|
| Manufacturer Part Number | 1451 |
| Brand | Air Flow Research |
| Part Type | Cylinder Heads |
| Vehicle Make | Ford |
| Engine Type | Windsor |
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