GM LS Aluminum Cylinder Head - 270cc CNC Ported - Extra Head Bolts - Assembled

$1,279.00
Part # PS8018

Description:

  • Get big power on a small budget with BluePrint Muscle Series LS cylinder heads! These lightweight aluminum heads bolt up to your LS engine and feature CNC-machined 270cc intake/106cc exhaust runners, 77cc combustion chambers, and 2.165" intake/1.600" exhaust valves. They're fully assembled with valve springs, retainers, locks, guideplates, studs, and seals.

    ■ Maximum output for less money!
    ■ Designed and produced by BluePrint Engines
    ■ CNC-Machined Combustion Chamber/Intake & Exhaust Runner
    ■ Fully assembled with heavy duty components
    ■ Backed by our full 12-month limited warranty

Intake:

  • Intake Runner Volume (cc): 259cc
    Intake Port Location: Standard
    Intake Valves Included: Yes
    Intake Valve Diameter (in): 2.165 in.
    CNC-Machined Intake Runner: Yes

    CFM Port Flow Average @ 28" 
    .100" - 109
    .200" - 174
    .300" - 231
    .400" - 285
    .500" - 322
    .600" - 349

Exhaust:

  • Runner Volume (cc): 106cc
    Exhaust Valve Diameter (in): 1.600 in.
    Exhaust Valves Included: Yes
    Port Shape: Round
    Exhaust Port Location: Standard
    CNC-Machined Exhaust Runner: Yes

    CFM Port Flow Average @ 28" 
    .100" - 70
    .200" - 117
    .300" - 160
    .400" - 199
    .500" - 242
    .600" - 275

Combustion Chamber:

  • Combustion Chamber Volume (cc): 77cc
  • CNC-Machined Combustion Chamber: Yes

Valve Specs:

  • Maximum Valve Lift (in): .650 in.
    Intake Valve Angle: 12 Degrees (3 degrees rolled)
    Exhaust Valve Angle: 12 Degrees (3 degrees rolled)
    Valve Guides Included: Yes
    Valve Guide Material: Manganese Bronze
    Valve Seats Machined: Yes
    Valve Seat Machine Style: 5-Angle
    Valve Seat Material: Chrome Nickle
    Valve Stem Seals Included: Yes
    Valve Stem Seal Style: Viton® Fluoroelastomer

Springs:

  • Valve Springs Included: Yes
    Spring Pressure Open: 360-380 @ 1.150
    Spring Pressure Closed: 125-135 @ 1.800
    Outside Diameter of Outer Spring (in): 1.295 in.
    Damper Spring Included: Yes
    Number of Springs per Valve: Dual
    Retainers Included: Yes
    Retainer Material: Chromemoly Steel
    Locks Included: Yes
    Lock Style: 7 Degree

Pushrods:

Guide Plates Included: Yes
Guide Plate Pushrod Size (in): N/A

    Rocker Arms:

    • Rocker Arm Studs Included: No
      Rocker Arms Included: No
      Rocker Arm Nuts Included: No

    Misc:

    • Head Style: Assembled
    • Cylinder Head Material: Aluminum
    • Cylinder Head Finish: Natural
    • Spark Plug Style: Standard
    • Cover Mounting Style: Standard
    • Accessory Bolt Holes Drilled: Yes
    • Steam Holes Drilled: No
    • Oiling Style: Through Pushrod
    • Machined for O-Ring: No
    • Heat Crossover: No

      Qty:

      • Sold Individually

      Warranty:

      • Backed by our full 12-month limited warranty!

      Yellow Exclamation Triangle WARNING: Cancer and Reproductive Harm-
      www.P65Warnings.ca.gov

      Part # PS8018

      Description:

      • Get big power on a small budget with BluePrint Muscle Series LS cylinder heads! These lightweight aluminum heads bolt up to your LS engine and feature CNC-machined 270cc intake/106cc exhaust runners, 77cc combustion chambers, and 2.165" intake/1.600" exhaust valves. They're fully assembled with valve springs, retainers, locks, guideplates, studs, and seals.

        ■ Maximum output for less money!
        ■ Designed and produced by BluePrint Engines
        ■ CNC-Machined Combustion Chamber/Intake & Exhaust Runner
        ■ Fully assembled with heavy duty components
        ■ Backed by our full 12-month limited warranty

      Intake:

      • Intake Runner Volume (cc): 259cc
        Intake Port Location: Standard
        Intake Valves Included: Yes
        Intake Valve Diameter (in): 2.165 in.
        CNC-Machined Intake Runner: Yes

        CFM Port Flow Average @ 28" 
        .100" - 109
        .200" - 174
        .300" - 231
        .400" - 285
        .500" - 322
        .600" - 349

      Exhaust:

      • Runner Volume (cc): 106cc
        Exhaust Valve Diameter (in): 1.600 in.
        Exhaust Valves Included: Yes
        Port Shape: Round
        Exhaust Port Location: Standard
        CNC-Machined Exhaust Runner: Yes

        CFM Port Flow Average @ 28" 
        .100" - 70
        .200" - 117
        .300" - 160
        .400" - 199
        .500" - 242
        .600" - 275

      Combustion Chamber:

      • Combustion Chamber Volume (cc): 77cc
      • CNC-Machined Combustion Chamber: Yes

      Valve Specs:

      • Maximum Valve Lift (in): .650 in.
        Intake Valve Angle: 12 Degrees (3 degrees rolled)
        Exhaust Valve Angle: 12 Degrees (3 degrees rolled)
        Valve Guides Included: Yes
        Valve Guide Material: Manganese Bronze
        Valve Seats Machined: Yes
        Valve Seat Machine Style: 5-Angle
        Valve Seat Material: Chrome Nickle
        Valve Stem Seals Included: Yes
        Valve Stem Seal Style: Viton® Fluoroelastomer

      Springs:

      • Valve Springs Included: Yes
        Spring Pressure Open: 360-380 @ 1.150
        Spring Pressure Closed: 125-135 @ 1.800
        Outside Diameter of Outer Spring (in): 1.295 in.
        Damper Spring Included: Yes
        Number of Springs per Valve: Dual
        Retainers Included: Yes
        Retainer Material: Chromemoly Steel
        Locks Included: Yes
        Lock Style: 7 Degree

      Pushrods:

      Guide Plates Included: Yes
      Guide Plate Pushrod Size (in): N/A

        Rocker Arms:

        • Rocker Arm Studs Included: No
          Rocker Arms Included: No
          Rocker Arm Nuts Included: No

        Misc:

        • Head Style: Assembled
        • Cylinder Head Material: Aluminum
        • Cylinder Head Finish: Natural
        • Spark Plug Style: Standard
        • Cover Mounting Style: Standard
        • Accessory Bolt Holes Drilled: Yes
        • Steam Holes Drilled: No
        • Oiling Style: Through Pushrod
        • Machined for O-Ring: No
        • Heat Crossover: No

          Qty:

          • Sold Individually

          Warranty:

          • Backed by our full 12-month limited warranty!

          Yellow Exclamation Triangle WARNING: Cancer and Reproductive Harm-
          www.P65Warnings.ca.gov

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