Air Flow Research AFR1451 SB Ford W 220cc Renegade Competition Aluminium Cylinder Heads

Are you looking for the largest, best flowing AFR heads to top your small block Ford?

Their 220cc SBF Renegade 20 degree competition package heads. These power-producing cylinder heads are born of A356 aluminum castings and feature intake ports, exhaust ports, and combustion chambers that are all 100 percent CNC-ported. Renegades are outfitted with lightweight 8mm, 2.100 in. intake valves and 1.570 in. exhaust valves to move massive amounts of air. They come with either combustion chamber volumes of 58 or 72cc accompanied by 70cc exhaust ports, which are raised .375 in. higher than stock. Plus, AFR's trademark 3/4 in. thick cylinder head deck makes them ideal for heavy nitrous or blower applications. Choose the flow characteristics that can give your Ford the power to win--AFR 220cc SBF Renegade 20 degree competition heads.

Application:

• S/B Ford Windsor.

Specifications:

• Cylinder Head Style: Assembled
  Cylinder Head Material: Aluminum
  Intake Port Shape: Rectangular
  Intake Valve Diameter (in): 2.100 in.
  Cylinder Head Finish: Natural
  Combustion Chamber Volume (cc): 58
  CNC-Machined Combustion Chamber: Yes
  Intake Runner Volume (cc): 220cc
  Exhaust Runner Volume (cc): 80cc
  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: Raised
  Spark Plug Style: Angle
  Intake Valves Included: Yes
  Exhaust Valves Included: Yes
  Exhaust Valve Diameter (in): 1.570 in.
  Valve Springs Included: Yes
  Maximum Valve Lift (in): 0.710 in.
  Outside Diameter of Outer Spring (in): 1.550 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
  Quantity: Sold as a pair.
  Notes: Exhaust ports are raised 0.375 in. higher than stock. These cylinder heads are race ported.