Airlfow Research Eliminator Aluminum CNC Ported Race Ready Chev SB Head
With exceptional flow characteristics, 23 deg. valve angle, and standard valve spacing, these heads are perfect for bracket racing, sportsman oval, and highly modified street cars. These heads feature CNC ported intake runners, CNC ported 80cc exhaust runners and CNC ported combustion chambers. Other features include angle plugs, hardened ductile iron interlocking valve seats, and 3/4" thick decks.
Fully assembled with 2.080"/1.600" stainless steel valves, 1.550" mechanical roller springs, 10 deg. locks/retainers, bronze guides, 7/16" studs and guide plates.
Part Type: Cylinder Head
Application: Chevrolet Small Block
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 65cc
CNC Machined Combustion Chambers: Yes
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Intake Port Volume: 210cc
CNC Machined Intake Port: Yes
Intake Port Flow: 311 cfm @ .650" Lift / 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 2.240" x 1.310"
Suggested Intake Gaskets: Fel-Pro #1206 or Equivalent
Exhaust Port Volume: 80cc
CNC Machined Exhaust Port: Yes
Exhaust Port Flow: 222 cfm @ .650" Lift / 28"
Exhaust Port Location: .250" Raised
Exhaust Port Shape: Square
Exhaust Port Dimensions: 1.420" x 1.545"
Suggested Exhaust Gaskets: Fel-Pro #1405
Spark Plug Style: Angled
Suggested Spark Plug: 14mm x .750"
Valve Guides: Yes (Bronze)
Valve Guide Spacing:
Valve Stem Diameter: 8mm
Valve Seats: Yes (Ductile Iron)
Valve Job: 5-Angle
Intake Valve Diameter: 2.080"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.600"
Exhaust Valve Included: Yes
Suggested Valve Length: Intake: 5.000"/Exhaust: 5.030"
Valve Spring Pockets: 1.750" O.D. (Do not machine spring pad any deeper!)
Valve Springs Included: Yes, 1.550"
Valve Spring Application: Mechanical Roller, 220lbs. Seat, .710" Max Lift
Valve Springs Retainers Included: Yes
Valve Locks Included: Yes (10 Degree)
Valve Seals Included: Yes
Rocker Studs Included: Yes (7/16")
Guide Plates Included: Yes
Valve Cover Mounting Style: Perimeter
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP #134-3701 or Equivalent
Suggested Head Studs: ARP #234-4301 or Equivalent
Suggested Stud Girdle: Jomar #1105 or Airflow Research #6200
Head Bolt Torque with Oil: 65 ft./lbs.
Rocker Stud Torque with Oil: 55 ft./lbs.
Intake Bolt Torque with Oil: 25 ft./lbs.
Manufacturer: Airflow Research
Manufacturer's Part Number: 1054
Weight: 68.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair |