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Airflow Research Magnum Series Aluminum Chev BB Head
New highly efficient port designs, an exclusive new combustion chamber provides impressive swirl figures and generates big low and midlift airflow figures. 3/4" thick decks, reinforced rocker bosses, and thick wall runners provide unparalleled durability.
Assemblies include stainless steel valves, 1.625" dual springs (.750" max lift), 10 degree retainers and locks, rocker studs and guide plates.
Part Type: Cylinder Head
Application: Chevrolet Big Block
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 117cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 24
Exhaust Valve Angle: 24
Intake Port Volume: 345cc
CNC Machined Intake Port: No
Intake Port Flow: 401 cfm @ .700" Lift/ 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 2.435" x 1.765"
Suggested Intake Gaskets: Fel-Pro 1275 or Equivalent
Exhaust Port Volume: 132cc
CNC Machined Exhaust Port: No
Exhaust Port Flow: 280 cfm @ .700" Lift/ 28"
Exhaust Port Location: Raised .375"
Exhaust Port Shape: D-Shaped
Exhaust Port Dimensions: 1.720" x 1.920"
Suggested Exhaust Gaskets: Fel-Pro 1412 or Equivalent
Suggested Spark Plug: 14mm, .750 reach
Valve Guides: Yes
Valve Stem Diameter: 11/32" (.3415")
Valve Seats: Yes
Valve Job: 5-Angle
Intake Valve Diameter: 2.250"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.880"
Exhaust Valve Included: Yes
Valve Spring Pockets: May be cut up to 1.625" MAX.
Valve Springs Included: Yes, 1.625" Dual
Valve Spring Application: Mechanical Roller, 275lbs. Seat, .850" 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 Bolt
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP 135-3703 (Mark IV) ARP 135-3707 (Mark V)
Suggested Head Studs: ARP 235-4713
Suggested Stud Girdle: Power Products 13602K, Howards Cams 90121, Jomar 1114
Head Bolt Torque with Oil: 75 ft./lbs.
Rocker Stud Torque with Oil: 55-60 ft./lbs.
Manufacturer: Airflow Research
Manufacturer's Part Number: 2110
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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