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AFR 185cc SBF Renegade 20 Degree Street Heads
Cylinder Heads, 185cc SBF Renegade 20 Degree Street Heads, Bare, 58cc Chamber, 185cc/70cc, Rect. Intake/Sq. Exhaust, Aluminum, Ford, Windsor, Pair
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Overview
Brand:
Manufacturer's Part Number:
1385
Part Type:
Product Line:
Summit Racing Part Number:
AFR-1385
Combustion Chamber Volume (cc):
58
Intake Runner Volume (cc):
185cc
Exhaust Runner Volume (cc):
70cc
Cylinder Head Style:
Bare
Cylinder Head Material:
Cast 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
Intake Valves Included:
No
Exhaust Valves Included:
No
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
20
Exhaust Valve Angle:
20
Valve Guides Included:
Yes
Valve Guide Material:
Manganese bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
5-angle intake/3-angle exhaust
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through head
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold as a pair.
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
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