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Dart 11020020

Dart Pro 1 LS1 Aluminum Cylinder Head Bare

301-11020020

made in usa
Free Shipping Ships directly from the manufacturer on 08/28/19
Save $20 off $250, $40 off $500, $100 off $1,000. Promo Code: RACE2SAVE exclusions apply

$625.15
$593.89
SAVE $31.26
Dart Pro 1 LS1 Aluminum Cylinder Head Bare $593.89
Out of stock
QTY
Pro 1 LS1 Aluminum Cylinder Head
  • Bare
  • 225cc Intake Ports
  • 62cc Combustion Chambers
  • Specifications:

    Quantity
    Sold individually
    Cylinder Head Style
    Bare
    Guideplates Included
    No
    Rocker Arm Studs Included
    No
    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
    No
    Heat Crossover
    No
    Intake Valves Included
    No
    Locks Included
    No
    Machined for O-Ring
    No
    Retainers Included
    No
    Rocker Arm Nuts Included
    No
    Rocker Arms Included
    No
    Steam Holes Drilled
    No
    Valve Guides Included
    Yes
    Valve Seats Machined
    Yes
    Valve Springs Included
    No
    Valve Stem Seals Included
    No
    Combustion Chamber Volume (cc)
    62
    Intake Port Location
    Standard
    Exhaust Port Location
    Standard
    Oiling Style
    Through head
    Intake Valve Diameter (in.)
    2.05
    Exhaust Valve Diameter (in.)
    1.6
    Valve Guide Material
    Manganese bronze
    Intake Runner Volume (cc)
    225
    Valve Seat Material
    Powdered metal
    Valve Cover Mounting Style
    Centerbolt
    Valve Seat Machine Style
    4-angle intake/3-angle exhaust
    Combustion Chamber Style
    Heart
    Manufacturer's Part Number:
    11020020
    Shipping Weight:
    24.25
    Package Height:
    21.7
    Package Depth:
    6.2
    Package Width:
    9.2

    The Dart LS1 Pro 1 Aluminum Cylinder Heads out flow, have a more efficient combustion chamber and have more user friendly features than production LS1 castings. The Dart LS1 head retains stock valve angles, stock valve locations and stock accessory mounting holes to make installation easy. Virtually everything else has been improved including it costs less than comparable OEM heads!

    Features:
  • Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
  • Extra thick walls provide material for porting.
  • Additional metal above the ports accommodates valve train upgrades.
  • Standard multi-angle intake and radiused exhaust seats.
  • Manganese bronze valve guides and interlocking hardened valve seats ensure long term reliability.
  • Racing inspired combustion chamber improves flame propagation and increases air flow.
  • 5-axis CNC bowl blended for optimal flow charactristics.
  • Sold Individually

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

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.