AFR-1388 Renegade 20 Degree Street Heads, 185cc Intake, 58cc Chamber, Ford 302, 351 Windsor (Pair)

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AFR-1388 Renegade 20 Degree Street Heads, 185cc Intake, 58cc Chamber, Ford 302, 351 Windsor (Pair)

AFR-1388

Brand:

Airflow Research (AFR)

Manufacturer's Part Number:

1388

Part Type:

Cylinder Heads

Product Line:

AFR 185cc SBF Renegade 20 Degree Street Heads

Part Number:

AFR-1388

Combustion Chamber Volume (cc):

Intake Runner Volume (cc):

185cc

Exhaust Runner Volume (cc):

68cc

Cylinder Head Style:

Assembled

Cylinder Head Material:

Aluminum

Intake Port Shape:

Rectangular

Intake Valve Diameter (in.):

2.020 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

Spark Plug Style:

Angle

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.

Camshaft Style:

Hydraulic roller

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:

Rocker Arm Nuts Included:

Guideplates Included:

Yes

Guideplate Pushrod Size:

5/16 in.

Valve Cover Mounting Style:

Perimeter bolt

Accessory Bolt Holes Drilled:

Yes

Intake Valve Angle:

Exhaust Valve Angle:

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:

Oiling Style:

Through pushrod

Machined for O-Ring:

Heat Crossover:

Quantity:

Sold as a pair.

Notes:

Cylinder heads are street ported. Rocker studs and guideplates are included in box. Installation is required.

AFR 185cc SBF Renegade 20 Degree Street Heads

Air Flow Research (AFR) 1388 heads are an ideal performance upgrade for 302-393 cubic-inch engines operating in the 6,000-6,500 rpm range. Part of the AFR 185 SBF Renegade line, these heads feature ported intake runners, exhaust ports, and combustion chambers for street/strip use and are made of high-quality aluminum, allowing for a lighter-weight build. They include 8mm valve stems paired with 2.020 in. intake and 1.600 in. exhaust valves and feature a combustion chamber volume of 58cc, an exhaust port volume of 68cc, an intake runner volume of 185cc, and a ¾ in. head deck.

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 hardened push rods are required.
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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