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58cc Combustion Chamber
3-Angle Valve Radius Job
What's in the Box
(2) Cylinder Heads
AFR Competition Cylinder Head Kit
Let your 1979-95 Mustang 5.0 or 5.8 breathe better than ever with a set of AFR aluminum cylinder heads! AFR is one of the most advanced cylinder head companies in the world and continue to prove it with superior quality and performance. This pair of cylinder heads is the AFR competition series which are recommended for race and aggressive street applications operating up to 7,400 RPM. AFR utilizes A356 aluminum casting and high quality components throughout for long lasting performance!
Brand: Airflow Research
Manufacturer's Part Number: 1450
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): 205cc
Exhaust Runner Volume (cc): 70cc
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: Raised
Spark Plug Style: Angle
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.080 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.710 in.
Outside Diameter of Outer Spring (in): 1.600 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 7/16-20 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
-Some piston modification may be needed depending on your specific application.
-Exhaust port is raised .125" and will move valve cover up .145".
AFR - Cylinder Heads Built for Racers... by Racers
If you are wanting to make big power in your Mustang or Lightning, look no further than AFR (Air Flow Research). They have dedicated over thirty years to research and developing cylinder heads and flow dynamics to make the most horsepower possible. Cylinder heads manufactured by AFR can be found on cars on both street cars and race cars. These fully assembled heads outflow and out perform other cylinder heads on the market!