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AFR SBF Street/Strip Renegade 20 Degree Heads 1388

Airflow Research (AFR) 1388 - AFR SBF Street/Strip Renegade 20 Degree Heads

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$1,569.46

Cylinder Heads, Street Porting, Aluminum, Assembled, 58cc Chamber, 185cc Intake, Ford, Small Block, Pair

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Manufacturer's Part Number: 1388
Part Type: Cylinder Heads
Summit Racing Part Number: AFR-1388

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 58
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: No
Quantity: Sold as a pair.
Notes: Cylinder heads are street ported.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These AFR SBF Street/Strip Renegade 20 Degree aluminum cylinder heads come ready for maximum small block Ford performance. They are not emissions-legal. The heads come with lightweight 8mm, 2.020 in. intake and 1.600 in. exhaust valves. These cylinder heads feature 68cc or 72cc combustion chambers with 70cc exhaust ports. These Renegade heads have an available nitrous or blower exhaust port option featuring a ultra high-flowing exhaust port. With AFR's trademark 3/4 in. thick head deck, it's no problem handling that additional cylinder pressure. Each of these serious race pieces in street disguises is also drilled for the larger 1/2 in. head bolt hole as a standard feature for maximum head gasket retention.

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

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