220cc "Renegade" 20° Race Head

AFR`s 220cc "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 the small block Ford. Recommended for race applications or radical "Pro Street" style builds. Component upgrade and machining options are available to customize AFR Heads to your specific build here.

AFR 220cc SBF Aluminum Cylinder Head Flow Chart

Tested on 4.125 Bore

220cc SBF Cyilnder Head Flow Chart

Basic Package Components
100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
Competition 5-angle Valve Job
AFR #7256 8mm Bead Lock Intake Valve 2.100" x 5.000" O.A.L.
AFR #7248 8mm Bead Lock Exhaust Valve 1.570" x 5.030" O.A.L.
AFR #8000 PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400
AFR #8511 Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D
AFR #9009 10° Bead Lock Keepers with lashcap recess
AFR #6405 ARP 7/16" Rocker Studs
AFR #6103 Adjustable 5/16" Guide Plates
AFR #6612 Viton Valve Seals .600" O.D x .495" I.D
AFR #8048 Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D
AFR #9059 Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep
AFR #9069 Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep
AFR #9051 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L

Specifications & Features:
A356 Aluminum Material
220cc Intake Port Volume
2.265" H x 1.325" W 3/8 Radius Intake Port Dimension
Stock Intake Port Location
70cc Exhaust Port Volume
1.445" H x 1.595" W Exhaust Port Dimension
Raised .375" Exhaust Port Location
58cc or 72cc Combustion Chamber Size
Perimeter Bolt Valve Cover Bolt Pattern
20° Valve Angle
1.580" O.D Valve Spring Pocket Diameter
1.580" O.D Max Valve Spring Pocket Machining
.750" Deck Thickness
4.000" Minimum Bore Diameter
.006" per cc 55cc Max (from 58cc); 69cc Max (from 72cc); Flat Mill
.009" per 52cc Max (from 58cc); 66cc Max (from 72cc); Angle Mill
2.345 sq. in. Minimum Cross Sectional Area
14mm x .750" w/Gasket Seat Spark Plug Dimensions
1/2" Head Bolt Diameter

Recommended Components:
AFR #6812 Intake Port Gasket, Fel-Pro #1262
Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads.
AFR #6839 Exhaust Port Gasket, Fel-Pro #1487
AFR #6808 Head Gasket, 302/351W, Fel-Pro #1011-1
AFR #6318 SB Ford 1/2" Bolt Head Bolt Kit, ARP #154-3603
AFR #6317 SB Ford 1/2" Bolt Head Stud Kit, ARP #254-4503
AFR #6319 1/2" Bolt - 7/16" Thread Head Bolts, 289/302W: ARP 254-3708
AFR #6320 Head Bolt Washer Kit, Manley
AFR #6207 Stud Girdle
Super Vic or Vic Jr. Suggested Manifold
Autolite 3922 Spark Plug Starting Range
 Model      Product Name   Price   Buy Now 
 1451   AFR SBF 220cc, Race Heads, 58cc chambers, Stud Mount, complete w/parts   AFR SBF 220cc, Race Heads, 58cc chambers, Stud Mount, complete w/parts   $2,199.00  Buy Now 
 1456   AFR SBF 220cc Race Head, 72cc chamber, Stud Mount, complete w/parts   AFR SBF 220cc Race Head, 72cc chamber, Stud Mount, complete w/parts   $2,199.00  Buy Now 
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