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AFR's 165cc "Street" cylinder heads are the preferred choice over re-worked factory heads. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout, in addition these are the only AFR heads that are compatible with the OEM piston valve relief. Recommended for street, towing, or street/strip engines with displacements up to 351 cubic inches, operating up to 6000 RPM. Legal for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. AFR heads are available bare (without parts). Please see footnotes for additional information.
| 165cc Aluminum SBF Cylinder Heads | ||
|---|---|---|
| Part # | Rocker Type | Combustion Chamber |
| 1399 | Stud Mount - Non-Emissions Legal | 58cc |
| 1402 | Stud Mount - Emissions Legal | 58cc |
| 1472 | Pedestal Mount - Emissions Legal | 58cc |
| 165cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 135 | 200 | 240 | 251 | 255 | 260 |
| Exh | 122 | 163 | 192 | 208 | 212 | 215 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
| Basic Package 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, 1.900" x 4.900" O.A.L | AFR7249 |
| 8mm Bead Lock Exhaust Valve, 1.600" x 4.950" O.A.L | AFR7250 |
| Pedestal 8mm Bead Lock Intake Valve, 1.900" x 5.080" O.A.L | AFR7262 |
| Pedestal 8mm Bead Lock Exhaust Valve, 1.600" x 5.100" O.A.L | AFR7264 |
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) | AFR8017 |
| 7° Manley Steel Retainers 1.245" O.D x .885" I.D x .655" I.D | AFR8514 |
| 7° Bead Lock Valve Keepers | AFR9007 |
| ARP 3/8" Rocker Studs | AFR6409 |
| Adjustable 5/16" Guide Plates | AFR6103 |
| Viton Valve Seals .600" O.D x .495" I.D | AFR6612 |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | AFR8042 |
| Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep | AFR9060 |
| Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | AFR9070 |
| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L | AFR9051 |
| Thermactor Air Injector Reducer Bushing (5/8"-11 x 7/16"-14) | AFR6226 |
| Specifications & Features: | |
| Material | A356 Aluminum |
| Intake Port Volume | 165cc |
| Intake Port Dimension | 2.060" H x 1.250" W x 3/8 Radius |
| Intake Port Location | Stock |
| Exhaust Port Volume | 68cc |
| Exhaust Port Dimension | 1.355" H x 1.360" W |
| Exhaust Port Location | Stock |
| Combustion Chamber Size | 58cc |
| Valve Cover Bolt Pattern | Perimeter Bolt |
| Valve Angle | 20° |
| Valve Spring Pocket Diameter | 1.460" O.D |
| Max Valve Spring Pocket Machining | 1.625" O.D |
| Deck Thickness | .750" |
| Minimum Bore Diameter | 4.000" |
| Flat Mill | .006" per cc 54cc Maximum |
| Angle Mill | .009" per cc 48cc Maximum |
| Note:Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area | 1.935 sq. in. |
| Spark Plug Dimensions | 14mm x .750" w/Gasket Seat |
| CARB EO# | D-250-3 |
| Head Bolt Diameter 1402 & 1472 | 7/16" |
| Head Bolt Diameter 1399 | 1/2" |
| Categories | Engine Components |
|---|---|
| Weight | 31.7500 |
| Manufacturer Part Number | 1402 |
| Brand | Air Flow Research |
| Part Type | Cylinder Heads |
| Vehicle Make | Ford |
| Engine Type | Windsor |
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