195cc SBF "Renegade" 20° Competition Head

AFR`s 195cc "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for displacements up to 408 cubic inches, operating up to 6500-6800 RPM. Legal for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. Not compatible with OEM pistons. Component upgrade and machining options are available to customize AFR Heads to your specific build here.

195cc SBF Flow Chart

Tested on 4.060 Bore

195cc SBF Aluminum Cylinder 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 #7252 8mm Bead Lock Intake Valve, 2.050" x 4.903" Overall Valve Length, Stud mount
AFR #7250 8mm Bead Lock Exhaust Valve, 1.600" x 4.955" Overall Valve Length
AFR #8019 PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650" maximum lift, Max RPM 7000-7200
AFR #8514 Manley 7° Chrome Moly Retainers
AFR #9007 7° Bead Lock Valve Keepers
AFR #6409 ARP 3/8" Rocker Studs
AFR #6103 Adjustable 5/16" Guide Plates
AFR #6612 Viton Valve Seals
AFR #8042 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 Bronze Valve Guides
AFR #6226 Thermactor Air Injector Reducer Bushing (5/8"-11 x 7/16"-14)



Specifications & Features:
A356 Aluminum Material
195cc Intake Port Volume
2.060" H x 1.220" W 11/32 Radius Intake Port Dimension
Stock Intake Port Location
70cc Exhaust Port Volume
1.405" H x 1.400" W Exhaust Port Dimension
Raised .125" Exhaust Port Location
58cc or 72cc Combustion Chamber Size
Perimeter Bolt Valve Cover Bolt Pattern
20° Valve Angle
1.460" O.D Valve Spring Pocket Diameter
1.625" O.D Max Valve Spring Pocket Machining
.750" Deck Thickness
4.000" Minimum Bore Diameter
.006" per cc 54cc Max (from 58cc); 68cc Max (from 72cc); Flat Mill
.009" per cc 54cc Max (from 58cc); 68cc Max (from 72cc); Angle Mill
2.075 sq. in. Minimum Cross Sectional Area
14mm x .750" w/Gasket Seat Spark Plug Dimensions
D-250-3 Carb EO# (Emissions Legal Only)
1/2" Head Bolt Diameter

Recommended Components:
AFR #6832 Intake Port Gasket, 1.200" X 2.000" w/ 3/8" radius, 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, 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
AFR #6320 Head Bolt Washer Kit, Manley
AFR #6207 Stud Girdle
RPM Performer or Vic Jr. Suggested Manifold
Autolite 3924 Spark Plug Starting Range
 Model      Product Name   Price   Buy Now 
 1381   SBF 195cc Competition Package, No EGR or Air Pump, Strip Head, 58cc chambers, Stud Mount, complete w/parts   SBF 195cc Competition Package, No EGR or Air Pump, Strip Head, 58cc chambers, Stud Mount, complete w/parts   $1,940.00  Buy Now 
 1383   SBF 195cc Competition Package, No EGR or Air Pump, Strip Head, 72cc chambers, Stud Mount, complete w/parts   SBF 195cc Competition Package, No EGR or Air Pump, Strip Head, 72cc chambers, Stud Mount, complete w/parts   $1,940.00  Buy Now 
 1426*   SBF 195cc Competition Package, 58cc chambers, Stud Mount, Complete w/parts   SBF 195cc Competition Package, 58cc chambers, Stud Mount, Complete w/parts   $1,940.00  Buy Now 
 1428*   SBF 195cc Competition Package, 72cc Chambers, Stud Mount, complete w/ parts   SBF 195cc Competition Package, 72cc Chambers, Stud Mount, complete w/ parts   $1,940.00  Buy Now 
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Air Flow Research | 28611 W. Industry Drive | Valencia, CA 91355 | 661-257-8124

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