Brand: Airflow Research (AFR)
Manufacturer's Part Number: 2509
Part Type: Cylinder Heads
Product Line: AFR 185cc Black Hawk Gen 3 Hemi Cylinder Heads
Automotive Fittings Part Number: AFR-2509
Combustion Chamber Volume (cc): 69
Intake Runner Volume (cc): 185cc
Exhaust Runner Volume (cc): 75cc
Cylinder Head Style: Assembled
Cylinder Head Material: Cast aluminum
Intake Port Shape: Square
Intake Valve Diameter (in.): 2.050 in.
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Combustion Chamber Style: Hemi
Intake Port Location: Standard
Exhaust Port Shape: D-port
Exhaust Port Location: Standard
Intake Valves Included: Yes
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in.): 1.590 in.
Valve Springs Included: Yes
Maximum Valve Lift (in.): 0.600 in.
Camshaft Style: Hydraulic roller
Outside Diameter of Outer Spring (in.): 1.290 in.
Damper Spring Included: No
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Stainless steel
Locks Included: Yes
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Guideplate Pushrod Size: 5/16 in.
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 18
Exhaust Valve Angle: 16.5
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Material: Ductile iron
Cylinder Head Color: Natural
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Remanufactured: No
Quantity: Sold individually.
Description:
Looking to increase the performance of your Gen III-powered vehicle? AFR 185cc Black Hawk Gen 3 Hemi cylinder heads are to be offered in as-cast and fully CNC ported versions, either assembled or as no-parts (bare) heads to provide the power and performance Mopar enthusiasts crave.

Manufactured using A356 aluminum and permanent-mold technology, AFR castings are second to none. Assembled pairs will come with high-quality components, such as PAC Racing springs, Titanium (CNC versions) or stainless steel retainers, AFR valves, and Viton® valve seals.