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Aluminum Assembled Cylinder Head - GM LS Compatible - 259cc

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  • Detail
    • Detail

      Overview:

      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 259cc intake/102cc exhaust runners, 70cc combustion chambers, and 2.165" intake/1.600" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufacturer part number -PS8015.

      • Maximum Output for Less Money!
      • Designed and Produced by BluePrint Engines
      • 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 Port Shape: Rectangular
      • Intake Valves Included: Yes
      • Intake Valve Diameter (in): 2.165 in.
      • CNC-Machined Intake Runner: No

      Exhaust:

      • Runner Volume (cc): 102cc
      • Exhaust Valve Diameter (in): 1.600 in.
      • Exhaust Valves Included: Yes
      • Exhaust Runner: No
      • Port Shape: Round
      • Exhaust Port Location: Standard

      Combustion Chamber:

      • Combustion Chamber Volume (cc): 70cc
      • CNC-Machined Combustion Chamber: No

      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:

      • Rocker Stands Included: Yes

      Rocker Arms:

      • Rocker Arm Studs Included: No
      • Rocker Arms Included: N/A
      • Rocker Arm Nut Thread Size (in): N/A
      • Rocker Arm Nuts Included: No

      Guide Plate:

      • Guide Plate Included: No
      • Guide Plate Pushrod Size: N/A

      Misc:

      • Head Style: Assembled
      • Cylinder Head Material: Aluminum
      • Cylinder Head Finish: Natural
      • Spark Plug Style: Standard
      • Cover Mounting Style: Standard
      • Steam Holes Drilled: No
      • Camshaft Style: Hydraulic Roller
      • Oiling Style: Through Pushrod
      • Valve Cover Mounting Style: Center Bolt
      • Accessory Bolt Holes Drilled: Yes
      • Machined for O-Ring: No
      • Heat Crossover: No
      • 10mm Accessory Bolt Holes Machined on Ends of Heads

      Qty:

      • Sold Individually

      Warranty:

      • Backed by our full 12-month limited warranty!

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

    • Description
      This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.
    • Warranty

      The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.

      We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

    • Notes
      • Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
      • Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
      • If your vehicle was originally equipped with a 2-piece rear main seal crankshaft, a new flex plate or flywheel will be required. Note for those same early applications, this block features the dipstick on the Passenger side.
      • Must verify with application list linked above for fitment.
    • Also Includes
      • New Valve Covers
      • Rear Sump Oil Pan
      • Timing Cover
      • Harmonic Balancer

      Recommended Break in Oil: BPP710 (Click Here)

      Recommended Service Oil: BPP10W30 (Click Here)

      Recommended Oil Filter: BPP51061 (Click Here)

    • Ignition Timing
      • OEM Specifications
    • Cam Specs
      • Hydraulic Flat Tappet
      • OEM Spec Per Listed Vehicles
    • Cylinder Heads
      • Perimeter Bolt Iron Cylinder Heads
    • Rotating Assembly
      • Cast Crankshaft
      • 3.480" Stroke
      • Forged 5.700" Connecting Rods
      • OEM Spec Pistons
      • Internally Balanced Front - Externally Balanced Rear Engine
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