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AFR's 220cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This is AFR's largest, best flowing head for use with conventional rocker arms. Recommended for race applications or radical "Pro Street" style builds. AFR heads are available bare (without parts). Please see footnotes for additional information.
| 220cc Aluminum SBC Cylinder Heads | |||
|---|---|---|---|
| Part # | Exhaust Port |
Porting Finish |
Combustion Chamber |
| 1065 | Stock | Race Ready | 65cc |
| 1066 | Stock | Race Ready | 75cc |
| 1110 | Stock | Competition | 65cc |
| 1112 | Stock | Competition | 75cc |
| 1114 | Spread Port | Competition | 65cc |
| 1115 | Spread Port | Competition | 75cc |
| 220cc Race Ready Head Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .550 | .600 | .650 | |
| Int | 155 | 210 | 260 | 295 | 304 | 312 | 318 |
| Exh | 116 | 162 | 204 | 220 | 225 | 229 | 233 |
| 220cc Competition Head Flow Chart | ||||||||
| .200 | .300 | .400 | .500 | .550 | .600 | .650 | .700 | |
| Int | 145 | 207 | 263 | 299 | 312 | 316 | 322 | 326 |
| Exh | 120 | 160 | 214 | 225 | 229 | 240 | 244 | 245 |
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" Overall Valve Length | AFR7256 |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | AFR7254 |
| 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° 1.500" O.D x 1.120" I.D x .705" I.D Steel Retainers | AFR8511 |
| 10° Bead Lock Valve 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 2.200" O.D x 1.750" I.D x .375" Deep | AFR9060 |
| Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep | AFR9070 |
| 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 | 2.220" 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 | .250" Raised |
| Combustion Chamber Size | 65cc or 75cc |
| 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. | |
| Minimum Cross Sectional Area | 2.180 sq. in.
|
| Spark Plug Dimensions | 14mm x .750" w/Gasket Seat |
| Carb EO# | Non Emissions Compliant |
| Categories | Engine Components |
|---|---|
| Weight | 30.8400 |
| Manufacturer Part Number | 1110 |
| Brand | Air Flow Research |
| Part Type | Cylinder Heads |
| Vehicle Make | Chevrolet |
| Engine Type | Small Block |
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