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Instruction Sheets for Part Number AFR-1402
AFR 165cc SBF Renegade 20 Degree Street Heads
Cylinder Heads, Street Porting, Aluminum, Assembled, 58cc Chamber, 165cc Intake, Stud, Ford, Small Block, Pair
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Estimated Ship Date from OH, TX: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
1402
Part Type:
Product Line:
Summit Racing Part Number:
AFR-1402
Combustion Chamber Volume (cc):
58
Intake Runner Volume (cc):
165cc
Exhaust Runner Volume (cc):
68cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Camshaft Style:
Hydraulic roller
Intake Port Shape:
Rectangular
Intake Valve Diameter (in.):
1.900 in.
CNC-Machined Combustion Chamber:
Yes
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Combustion Chamber Style:
Heart
Intake Port Location:
Standard
Exhaust Port Shape:
Square
Exhaust Port Location:
Standard
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in.):
0.600 in.
Outside Diameter of Outer Spring (in.):
1.290 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Chromoly steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Rocker Arm Studs Included:
Yes
Rocker Arm Nut Thread Size:
3/8 in.-24
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
Yes
Guideplate Pushrod Size:
5/16 in.
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
20
Exhaust Valve Angle:
20
Valve Guides Included:
Yes
Valve Guide Material:
Bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
Yes
Remanufactured:
No
Quantity:
Sold as a pair.
Notes:
These cylinder heads will accept AIR injection and are street ported. Requires supplied thermactor reducer to mount alternator/accessory brackets. Confirm orientation of plug prior to installing cylinder head.
CARB EO Number(s):
Emissions:
California EO Approved
AFR 165cc SBF Renegade 20 Degree Street Heads
Increase torque and horsepower in your small block Ford engine with a set of Air Flow Research 165 heads! The lightweight aluminum heads feature 100% street-ported intake runners, exhaust ports, and combustion chambers for enhanced flow over your stock small Ford heads. They also feature a competition 5-angle valve job, 8mm valve stems paired with 1.900 in. intake and 1.600 in. exhaust valves and feature a combustion chamber volume of 58cc, an exhaust port volume of 68cc, and an intake runner volume of 165cc.
Viable applications for this model include Ford 4.7L/289 (1963-68), 5.0L/302 (1968-95), and 5.8L/351 (1969-95) engines featuring stud-mount rocker arms. Please note that these heads will not accept rail rocker arms and that hardened push rods are required. In addition, mounting the alternator and accessory brackets requires use of the supplied thermatractor.
For over thirty years, AFR has been engineering cylinder heads that deliver unmatched flow and power output. Manufactured with advanced porting technology, AFR heads are flow-tested and subjected to a rigorous quality control process to ensure maximum performance in all applications. Whether you pilot a top fuel dragster or a street machine, AFR has a set of cylinder heads designed for you.
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