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Dart 19200112

Dart Big Block Chevy Pro 1 Assembled Cylinder Head

301-19200112

made in usa
Free Shipping Ships directly from the manufacturer
Spend $200 Get a $20 Gift Card, $500 Get a $50 Gift Card, and $1,000 Get a $100 Gift Card. Promotion Code: GIFTCARDSAVINGS exclusions apply

$1,545.94
Dart Big Block Chevy Pro 1 Assembled Cylinder Head $1,545.94
Out of stock
QTY
Big Block Chevy Pro 1
  • Assembled Cylinder Head
  • Valves: 2.250" Int/1.880" Exh
  • Dual Valve Springs: 1.500"
  • Specifications:

    Quantity
    Sold individually
    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
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Damper Spring Included
    No
    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)
    121
    Intake Port Location
    Standard
    Exhaust Port Location
    Raised
    Oiling Style
    Through pushrod
    Intake Valve Diameter (in.)
    2.25
    Exhaust Valve Diameter (in.)
    1.88
    Valve Guide Material
    Manganese bronze
    Intake Runner Volume (cc)
    325
    Valve Seat Material
    Ductile iron
    Valve Cover Mounting Style
    Perimeter bolt
    Intake Valve Angle
    24
    Valve Seat Machine Style
    4-angle intake/3-angle exhaust
    Exhaust Runner Volume (cc)
    129
    Outside Diameter of Outer Spring (in.)
    1.55
    Maximum Valve Lift (in.)
    0.69
    Number of Springs Per Valve
    Dual
    Retainer Material
    Titanium
    Lock Style
    10 degree
    Exhaust Valve Angle
    15
    Combustion Chamber Style
    Heart
    Valve Stem Seal Style
    Positive stop
    Rocker Arm Nut Thread Size (in.)
    7/16"-20
    Manufacturer's Part Number:
    19200112
    Shipping Weight:
    38
    Package Height:
    7
    Package Depth:
    24
    Package Width:
    10

    The Dart Big Block Chevy Pro 1 Aluminum Heads were inspired by Dart's championship-winning Pro Stock designs and available with 310, 325, 345, or 355cc oval or rectangular port intake runners, big block Pro 1 aluminum cylinder heads deliver out-of-the-box airflow that smokes the competition! Specifically engineered for street performance, bracket racing and Super Eliminator engines yet can be used with off-the-shelf pistons, valve train components and intake manifolds!

    Race-Proven Pro 1 Features:
  • Advanced manufacturing techniques provide precision castings
  • Combustion Chamber Size: 121cc
  • Extra-long intake valves & rolled valve angles
  • Magnesium bronze valve guides reduce stem wear & extend cylinder head life
  • Multi-angle intake seats & radiused exhaust seats dramatically increase airflow
  • Hardened exhaust seats compatible with unleaded gasoline
  • Exhaust ports raised .300"
  • Requires 1" longer head bolts next to exh ports. Use: ARP 070-135-3605
  • Spark plug holes machined for gasketed 3/4" reach plugs
  • Sold individually

  • Some parts are not legal for use in California or other states with similar laws / regulations

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