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AFR 185cc SBF Renegade 20 Degree Street Heads 1420

Airflow Research (AFR) 1420 - AFR 185cc SBF Renegade 20 Degree Street Heads

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Cylinder Heads, Street Porting, Aluminum, Assembled, 72cc Chamber, 185cc Intake, Ford, Small Block, Pair

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Brand: Airflow Research (AFR)

Manufacturer's Part Number: 1420

Part Type: Cylinder Heads

Product Line: AFR 185cc SBF Renegade 20 Degree Street Heads

Summit Racing Part Number: AFR-1420

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 72

CNC-Machined Combustion Chamber: Yes

Intake Runner Volume (cc): 185cc

Exhaust Runner Volume (cc): 68cc

CNC-Machined Intake Runner: Yes

CNC-Machined Exhaust Runner: Yes

Combustion Chamber Style: Heart

Intake Port Shape: Rectangular

Intake Port Location: Standard

Exhaust Port Shape: Square

Exhaust Port Location: Standard

Spark Plug Style: Angle

Intake Valves Included: Yes

Intake Valve Diameter (in): 2.020 in.

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: 3/8-24 in.

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

Steam Holes Drilled: No

Oiling Style: Through pushrod

Machined for O-Ring: No

Heat Crossover: Yes

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: D-250-3 (pdf)
To see a list of qualifying vehicles, enter CARB EO Number D-250-3

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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If you need the world's finest high performance street/strip small block Ford heads, then check out AFR's 185cc emissions-legal Renegade Street cylinder heads (CARB E.O. #250-3). With lightweight 8mm, 2.020 in. intake valves and 1.600 in. exhaust valves, combustion chamber volumes of 58 or 72cc, and 68cc exhaust ports, AFR's 185cc Ford cylinder heads are designed for 302-351 c.i.d. engines operating from 1,500 to 6,500 rpm. A 3/4 in. thick head deck makes the AFR heads ideal for nitrous or blower applications. These heads will not accept rail rocker arms, and hardened push rods are required on models designed for stud mount rocker arms.

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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