CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
AFR's 205cc "Competition" cylinder heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race applications and very agressive street/strip builds operating up to 7400 RPM. Maximum intake flow potential @0.750" lift is 331 CFM.
| 205cc Aluminum SBF Cylinder Heads | ||
|---|---|---|
| Part # | Rocker Type | Combustion Chamber |
| 1450 | Stud Mount | 58cc |
| 1458 | Stud Mount | 72cc |
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| 205cc Street Head Flow Chart | ||||||||
| .200 | .300 | .400 | .500 | .550 | .600 | .700 | .750 | |
| Int | 149 | 205 | 260 | 291 | 302 | 315 | 327 | 331 |
| Exh | 126 | 170 | 210 | 219 | 227 | 231 | 234 | 235 |
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, 2.080" x 5.000" Overall Valve Length |
7255
|
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length |
7254
|
| PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400 (upgrades available) |
8000
|
| 10° Manley Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D |
8511
|
| 10° Bead Lock Valve Keepers with lashcap recess |
9009
|
| ARP 7/16" Rocker Studs |
6405
|
| Adjustable 5/16" Guide Plates |
6103
|
| Viton Valve Seals .600" O.D x .495" I.D |
6612
|
| Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D |
8048
|
| Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep |
9059
|
| Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep |
9069
|
| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
9051
|
| Recommended Components: | |
| Intake Port Gasket, 1.200" X 2.000" w/ 3/8" radius, Fel-Pro #1262 |
6832
|
| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads. | |
| Exhaust Port Gasket, Fel-Pro #1487 |
6839
|
| Head Gasket, Fel-Pro #1011-1 |
6808
|
| SB Ford 1/2" Bolt Head Bolt Kit, ARP #154-3603 |
6318
|
| SB Ford 1/2" Bolt Head Stud Kit, ARP #254-4503 |
6317
|
| 1/2" Bolt - 7/16" Thread Head Bolts, ARP 254-3708 |
6319
|
| Head Bolt Washer Kit, Manley |
6320
|
| Stud Girdle |
6207
|
| Suggested Manifold |
Super Vic or Vic Jr.
|
| Spark Plug Starting Range |
Autolite 3922
|
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
205cc
|
| Intake Port Dimension |
2.115" H x 1.300" W x 3/8 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
70cc
|
| Exhaust Port Dimension |
1.400" H x 1.400" W
|
| Exhaust Port Location |
Raised .125"
|
| 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 |
1.625" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.000"
|
| Flat Mill |
.006" per cc 54cc Max (from 58cc); 68cc Max (from 72cc);
|
| Angle Mill |
.009" per cc 48cc Max (from 58cc); 62cc Max (from 72cc);
|
| Minimum Cross Sectional Area |
2.165 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
| Head Bolt Diameter |
1/2"
|
SHIPS IN THE LOWER 48 STATES FREE!
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER
Warning: May cause cancer and reproductive harm.
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