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AFR - Airflow Research 2110

AFR - Airflow Research 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads BB-Chevy

033-2110

made in usa
Free Shipping Ships directly from the manufacturer on Monday
$20 off $200, $50 off $500 and $100 off $1,000 Order. Promotion Code: SPRINGSAVINGS exclusions apply

$2,495.81
AFR - Airflow Research 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads BB-Chevy $2,495.81
Out of stock
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345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads
  • BB-Chevy
  • 117cc Combustion Chambers
  • 1.625'' Valve Spring
  • 275 lbs. Seat Pressure
  • .850'' Max Lift
  • 50% CNC Combustion Chambers
  • Assembled
  • Sold in Pairs, 2/pkg.
  • AFR - Airflow Research 2110 Details

    50% CNC Combustion Chamber (Bowl Blend) Package

    Big Block Chevy 345cc Rectangle Port 24° Magnum Basic Package Components
    50% CNC Ported Combustion Chambers
    Bowl Blended Exhaust Ports
    Bowl Blended Intake Ports
    Competition 5-Angle Valve Job
    Intake Valve, 2.300'' x 5.500'' Overall Length
    Exhaust Valve, 1.880'' x 5.442'' Overall Length
    1.625'' OD PAC Racing Solid Roller Valve Spring, 275 lbs. on seat, .850'' maximum lift, max RPM 7400-7600
    10º Manley 4140 Chrome Moly Retainers
    10º Valve Locks
    7/16'' Rocker Studs
    Adjustable 3/8'' Guide Plates
    Viton Valve Seals
    Hardened Spring Seat
    Intake Valve Seats
    Exhaust Valve Seats
    Bronze Valve Guides
    Big Block Chevy 345cc Rectangle Port 24° Magnum Head Specifications
    Head Torque w/Moly Lube 75 Ft. Lbs.
    Rocker Stud Torque 55 Ft. Lbs.
    Intake Port Gasket, 1.775'' x 2.500'' with 1/2'' radius Fel-Pro 375-1275 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket.
    Exhaust Port Gasket AFR 033-6858
    Head Gasket Mark IV 4.540'' Bore, Fel Pro 375-1017
    AFR 033-6850
    Head Gasket Mark V - VI Up to 4.500'' Bore, Fel Pro 375-1047
    Head Gasket Mark V - VI 4.500'' to 4.600'' Bore, Fel Pro 375-17049
    Head Bolts & Studs Standard ARP
    Head Bolt Washers Manley Standard
    Stud Girdle AFR 033-6210
    Suggested Manifold Edelbrock 350-2907 & 350-2927 or Brodix 158-HV2000 & 158-HV2001
    Spark Plug Starting Range Champion C59C, Autolite 3932
    Combustion Chambers 117cc Partially CNC Bowl Blend
    Intake Port Volume 345cc Partially Ported
    Exhaust Port Volume N/A
    Spring Pocket can be cut to 1.750, no deeper.
    Valve Spacing Standard
    Rocker Arms Standard
    Valve Angle 24° / 4° Intake ; 15° / 4° Exhaust
    Angle Mill, 104cc Maximum .009'' per cc
    Flat Mill, As Cast 108cc, CNC 114cc Maximum .006'' per cc
    NOTE: Flat and Angle mills might require a .120'' thick head gasket.

    Specifications:

    Quantity
    Sold as a pair
    Cylinder Head Style
    Assembled
    Guideplates Included
    Yes
    Rocker Arm Studs Included
    Yes
    Accessory Bolt Holes Drilled
    Yes
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    CNC-Machined Combustion Chamber
    Yes
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Damper Spring Included
    Yes
    Exhaust Valves Included
    Yes
    Heat Crossover
    No
    Intake Valves Included
    Yes
    Locks Included
    Yes
    Machined for O-Ring
    No
    Retainers Included
    Yes
    Rocker Arm Nuts Included
    No
    Rocker Arms Included
    No
    Steam Holes Drilled
    No
    Valve Guides Included
    Yes
    Valve Seats Machined
    Yes
    Valve Springs Included
    Yes
    Valve Stem Seals Included
    Yes
    Combustion Chamber Volume (cc)
    115
    Intake Port Location
    Standard
    Exhaust Port Location
    Standard
    Oiling Style
    Through pushrod
    Intake Valve Diameter (in.)
    2.3
    Exhaust Valve Diameter (in.)
    1.88
    Valve Guide Material
    Bronze
    Intake Runner Volume (cc)
    345
    Valve Seat Material
    Ductile iron
    Valve Cover Mounting Style
    Perimeter bolt
    Intake Valve Angle
    24/4
    Valve Seat Machine Style
    5-angle
    Exhaust Runner Volume (cc)
    124
    Outside Diameter of Outer Spring (in.)
    1.625
    Maximum Valve Lift (in.)
    0.75
    Number of Springs Per Valve
    Dual
    Retainer Material
    Chromoly steel
    Lock Style
    10 degree
    Exhaust Valve Angle
    15/4
    Combustion Chamber Style
    Heart
    Rocker Arm Nut Thread Size (in.)
    7/16"-20
    Manufacturer's Part Number:
    2110
    Shipping Weight:
    42.7
    Package Height:
    7.6
    Package Depth:
    25.7
    Package Width:
    10.2

    AFR's 345cc Competition Ready Welterweight!

    If huge horsepower is what you are searching for, the 345 can certainly deliver. These cyilnder heads were targeted at larger cubic inch engines, 509-632ci, looking for maximum horsepower and rpm capability with a primary operating range of 3500-8000 rpm's (This range is an average and will vary with engine displacement and component selection). As well, these aluminum heads provide impressive torque figures at higher rpm levels, so higher reving 450+ cubic inches can benefit from the efficient runner. Blown, turbo, and nitrous engines will especially like the larger, higher flowing intake ports. AFR BBC 345cc cylinder heads will work best with camshafts around the .750+ gross valve lift mark to make better use of the substantial airflow found in the higher lift range. The 345cc come standard with AFR's trademark .750'' (3/4'') thick cylinder head deck, reinforced rocker stud bosses, premium one-piece stainless steel 2.300'' intake valves and 1.880'' exhaust valves. Combustion chamber volume is 117cc or 121cc and can be milled as lower if necessary. Take note the higher flowing exhaust ports and bolt pattern are raised .375'' (3/8'') over stock location, this rarely affects header or chassis fitment. .

    Installation Notes: Optional stud girdle required for 2° rolled valve angles and 1'' longer head bolt needed on four bottom exhaust bolt holes. Longer pushrods may also be required.

    345cc Rectangle Port Magnum Cylinder Head Features:
  • 50% Partially or 100% Fully CNC Ported Combustion Chambers
  • Bowl Blended Exhaust Ports
  • Bowl Blended Intake Ports
  • Competition 5-angle Valve Job
  • 345cc Intake Ports
  • Intake Valve, 2.300'' x 5.500'' Overall Valve Length
  • Exhaust Valve, 1.880'' x 5.442'' Overall Valve Length
  • 1.625'' OD PAC Racing Solid Roller Valve Spring, 275 lbs on seat, .850'' maximum lift
  • 10° Manley 4140 Chrome Moly Retainers
  • 10° Valve Locks
  • 7/16'' Rocker Studs
  • Adjustable 3/8'' Guide Plates
  • Viton Valve Seals
  • Hardened Spring Seats
  • Intake Valve Seats
  • Exhaust Valve Seats
  • Bronze Valve Guides

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