Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Logo
Cart0
$000
320 Series Aluminum Cylinder Heads Big Block Chevy
InfoVehicle Info Needed
PROMAXX PERFORMANCEPART NUMBER: 723-2211

320 Series Aluminum Cylinder Heads Big Block Chevy

$2,20900
3 left in stock
ShippingShips Tomorrow
Lowest PriceLowest Price Guarantee
Best Value
Save
$1,16401
Big Block Chevy Aluminum Cylinder Head for use with Hydraulic Roller Cam [335 cc Intake Ports]

555-514071

Big Block Chevy Aluminum Cylinder Head for use with Hydraulic Roller Cam [335 cc Intake Ports]

$1,04499

Items You Need

Steel Core Valve Cover Gaskets Big Block Chevy

JEGS

Steel Core Valve Cover Gaskets Big Block Chevy

Part Number : 555-21110
$2799$30.99
You Save$3.00
Head and Crank Storage Bag 35" L x 10" W x 9" H

JEGS

Head and Crank Storage Bag 35" L x 10" W x 9" H

Part Number : 555-80018
$599$6.99
You Save$1.00
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80521
$5299$58.99
You Save$6.00

320 Series Aluminum Cylinder Heads
  • 320cc Intake Port Volume
      • 320 Series Aluminum Cylinder Heads
    • Big Block Chevy
    • As-Cast
    • 320cc Intake Ports
    • 119cc Combustion Chamber
    • 2.30'' Intake / 1.88'' Exhaust Valves
    • 7/16'' Rocker Arm Studs
    • .600'' Max Lift
    • Steel Retainers
    • Assembled, 2/pkg

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

      Patriot Performance Freedom Series heads have started a revolution in the performance world. Patriot has custom designed a head to meet the demands of the BBC world, while keeping the quality high and the price reasonable. Their BB-Chevy heads come as cast with a 320cc intake runner, US made bronze guides, and our 5 angle valve job. Chevy High Performance used these to build their 675 hp 496 in their Jan. 2008 issue. These heads come standard with a 119cc chamber, assembled in their facility with 21-4N stainless valves, several spring choices, steel or Ti retainers, 7/16'' studs, guide plates, and viton seals.
      Sold as Pair



      Technical Specs:
      Combustion Chamber: 119cc
      Intake Runner: 320cc
      Exhaust Runner: 125cc
      Intake Valve: 2.250'' or 2.300''
      Exhaust Valve: 1.880''
      Max. Valve Spring Lift: 0.700''
      Spring Pressure Closed: (723-2211) 135 lbs. @ 2.00''; (723-2214) 220 lbs. @ 2.00''; (723-2216) 325 lbs. @ 2.100''
      Spring Pressure Open: (723-2211) 365 lbs. @ 1.400''; (723-2214) 600 lbs. @ 1.300''; (723-2216) 800 lbs. @ 1.300''
      Retainer Material: Steel or Ti
      Valve Seal Material: Viton
      Valve Guide Material: Manganese Bronze
      Valve Job: 5-angle
    Part TypeCylinder Head
    Product LinePatriot Performance BB-Chevy Freedom Series Heads
    BrandPROMAXX PERFORMANCE
    Package Height10.9
    Package Width15.2
    Package Length26.7
    Weight88.15 PG
    Part CategoryPerformance Parts
    Cylinder Head MaterialAluminum
    Intake Port LocationStandard
    Rocker Arm Nut Thread Size (In.)7/16"-20
    Exhaust Valves IncludedYes
    Locks IncludedYes
    Retainers IncludedYes
    Lock Style7 degree
    Guideplates IncludedYes
    Rocker Arms IncludedNo
    Oiling StyleThrough pushrod
    Rocker Arm Nuts IncludedNo
    Cylinder Head FinishNatural
    Valve Seats MachinedYes
    Maximum Valve Lift0.6 in (15.24 mm)
    Valve Seat MaterialDuctile iron
    Heat CrossoverNo
    Valve Springs IncludedYes
    Valve Seat Machine Style5-angle
    Damper Spring IncludedNo
    Valve Guides IncludedYes
    Cnc-Machined Intake RunnerNo
    Intake Valves IncludedYes
    QuantitySold as a pair
    Valve Stem Seals IncludedYes
    Intake Valve Diameter2.25 in (57.15 mm)
    Accessory Bolt Holes DrilledYes
    Exhaust Port LocationStandard
    Valve Guide MaterialManganese bronze
    Combustion Chamber Volume (Cc)119
    Machined For O-RingNo
    Steam Holes DrilledNo
    Rocker Arm Studs IncludedYes
    Cylinder Head StyleAssembled
    Part FitmentSemi Universal
    Valve Cover Mounting StylePerimeter bolt
    Retainer MaterialSteel
    Intake Runner Volume (Cc)320
    Cnc-Machined Exhaust RunnerNo
    Cnc-Machined Combustion ChamberNo
    Exhaust Valve Diameter1.88 in (47.752 mm)
    Vendor Part Number2211
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    ITEM YOU MAY ALSO CONSIDER

    9318 317 Series Aluminum Cylinder Heads for Big Block Chevy

    PROMAXX PERFORMANCE

    9318 317 Series Aluminum Cylinder Heads for Big Block Chevy

    Part Number : 723-9318
    $2,20999
    Cast Aluminum Cylinder Head Big Block Chevy 454 w/Hydraulic Flat Tappet Cam

    SPEEDMASTER

    Cast Aluminum Cylinder Head Big Block Chevy 454 w/Hydraulic Flat Tappet Cam

    Part Number : 746-PCE281.2031
    $1,38000
    Big Block Chevy Aluminum Cylinder Heads 119cc / 320cc Solid Flat Tappet Complete Heads

    SPEEDMASTER

    Big Block Chevy Aluminum Cylinder Heads 119cc / 320cc Solid Flat Tappet Complete Heads

    Part Number : 746-PCE281.2032
    $1,38000
    305-600 Cylinder Head for Big Block Chevy, 320 cc Intake, 133 cc Chambers, Hydraulic Roller .600 in. Max [Complete]

    FLOTEK CYLINDER HEADS

    305-600 Cylinder Head for Big Block Chevy, 320 cc Intake, 133 cc Chambers, Hydraulic Roller .600 in. Max [Complete]

    Part Number : 516-305-600
    $79900

    EASY KITS

    320 Series Aluminum Cylinder Head Kit

    PROMAXX PERFORMANCE

    320 Series Aluminum Cylinder Head Kit

    Part Number : 723-2211K
    $2,52993
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning