AFR 185cc SBF Renegade 20 Degree Street Heads 1422

Name: AFR 185cc SBF Renegade 20 Degree Street Heads
Brand: Airflow Research (AFR)
SKU: AFR-1422
Price: 2126.99 USD
Availability: InStock
Rating: 4.75 (7 reviews)

4.75 out of 5 stars ( 7 )

Part Number: AFR-1422

$2,126.99

AFR 185cc SBF Renegade 20 Degree Street Heads

Cylinder Heads, 185cc SBF Renegade 20 Degree Street, Assembled, 58cc Chamber, 185cc/70cc, Rect. Intake/Sq. Exhaust, AIR, Aluminum, Ford, Windsor, Pair
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AFR 185cc SBF Renegade 20 Degree Street Heads 1422

AFR-1422

4.75 out of 5 stars ( 7 )

Part Number: AFR-1422

Estimated Ship Date from Nevada: Today

$2,126.99

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Overview

Brand:

Airflow Research (AFR)

Manufacturer's Part Number:

1422

Part Type:

Cylinder Heads

Product Line:

AFR 185cc SBF Renegade 20 Degree Street Heads

Summit Racing Part Number:

AFR-1422

Combustion Chamber Volume (cc):

Intake Runner Volume (cc):

185cc

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.):

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

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:

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:

Yes

Remanufactured:

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):

D-250-3

Emissions:

California EO Approved

AFR 185cc SBF Renegade 20 Degree Street Heads

AFR 185cc SBF Renegade 20 Degree Street heads are ideal performance upgrades for 302-393 c.i.d. engines operating in the 6,000-6,500 rpm range. These cylinder heads feature ported intake runners, exhaust ports, and combustion chambers for street/strip use and feature high-quality aluminum construction, allowing for a weight-saving build. They include 8mm valve stems paired with 2.020 in. intake and 1.600 in. exhaust valves and feature available combustion chamber volumes of 58cc or 72cc, an exhaust port volume of 70cc, an intake runner volume of 185cc, and 3/4 in. deck thickness. 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.

More product details, items, and notes include:

* A356 aluminum construction
* Stock intake and exhaust port locations
* Perimeter bolt valve cover configuration
* Angle mills may require a 0.120 in. thick intake gasket
* Minimum cross-sectional area – 2.025 sq. in.
* Spark plug dimensions - 14mm x 0.750 in. with gasket seat
* Head bolt diameter – 1/2 in.
* Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes
* Designed for engines featuring stud- or pedestal-mount rocker arms; availability varies
* These heads will not accept rail rocker arms
* Hardened 5/16 in. pushrods with 0.120 in. wall thickness are required
* Use full roller rocker arms; roller tip rockers with stock style bodies are not recommended
* Boosted/nitrous and marine applications may require additional clearance; verify before final assembly