165cc SBF "Renegade" 20° Street Head

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AFR`s 165cc "Street" 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. Component upgrade and machining options are available to customize AFR Heads to your specific build, please email, call or chat for specific details. 

 

AFR PN's 1399, 1402, 1472. 

165cc SBF Street Cylinder Head Flow Chart

Tested on 4.060 Bore

 


 

Basic Package Components

100% CNC Ported Combustion Chambers

100% CNC Ported Exhaust Ports

100% CNC Ported Intake Ports

Competition 5-angle Valve Job

AFR #72498mm Bead Lock Intake Valve, 1.900" x 4.900" O.A.L

AFR #72508mm Bead Lock Exhaust Valve, 1.600" x 4.950" O.A.L

AFR #7262Pedestal 8mm Bead Lock Intake Valve, 1.900" x 5.080" O.A.L

AFR #7264Pedestal 8mm Bead Lock Exhaust Valve, 1.600" x 5.100" O.A.L

AFR #8017PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available)

AFR #85147° Manley Steel Retainers 1.245" O.D x .885" I.D x .655" I.D

AFR #90077° Bead Lock Valve Keepers

AFR #6409ARP 3/8" Rocker Studs

AFR #6103Adjustable 5/16" Guide Plates

AFR #6612Viton Valve Seals .600" O.D x .495" I.D

AFR #8042Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D

AFR #9060Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep

AFR #9070Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep

AFR #90518 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L

AFR #6226Thermactor Air Injector Reducer Bushing (5/8"-11 x 7/16"-14)

 

Specifications & Features:

A356 AluminumMaterial

165ccIntake Port Volume

2.060" H x 1.250" W 3/8 RadiusIntake Port Dimension

StockIntake Port Location

68ccExhaust Port Volume

1.355" H x 1.360" WExhaust Port Dimension

StockExhaust Port Location

58cc or 60ccCombustion Chamber Size

Perimeter BoltValve Cover Bolt Pattern

20°Valve Angle

1.460" O.DValve Spring Pocket Diameter

1.625" O.DMax Valve Spring Pocket Machining

.750"Deck Thickness

4.000"Minimum Bore Diameter

.006" per cc 54cc MaximumFlat Mill

.009" per cc 48cc MaximumAngle Mill

Note:Angle mills might require a .120" Thick intake gasket.

1.935 sq. in.Minimum Cross Sectional Area

14mm x .750" w/Gasket SeatSpark Plug Dimensions

D-250-3Carb EO#

7/16"Head Bolt Diameter 1402 & 1472

1/2"Head Bolt Diameter 1399

 

Recommended Components:

AFR #6828Intake Port Gasket, Fel-Pro #1250

Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads.

AFR #6837Exhaust Port Gasket, Fel-Pro #1415

AFR #6808Head Gasket, 302/351 Windsor, Fel-Pro #1011-1

AFR #6323SBF 7/16" Head Bolt Kit, ARP #154-3701

AFR #6322SBF 7/16" Bolt, Head Stud Kit, ARP #254-4401

AFR #63191/2" Bolt - 7/16" Thread Head Bolts, ARP 254-3708

AFR #6320Head Bolt Washer Kit, Manley

AFR #6207Stud Girdle (AFR Specific)

Performer or Performer RPMSuggested Manifold

Autolite 3924Spark Plug Starting Range