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Aluminum Assembled Cylinder Head - GM BB Compatible - 358cc

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  • Detail
    • Detail

      Overview:

      Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your big block Chevy and feature 358cc intake/125cc exhaust runners, 119cc combustion chambers, and 2.3" intake/1.880" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufactured part number PS8012.

      • 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): 358cc
      • Intake Port Location: Standard
      • Intake Port Shape: Rectangular
      • Intake Valves Included: Yes
      • Intake Valve Diameter (in): 2.3 in.
      • CFM Port Flow Average @ 28"
        • .100" – 116
        • .200" – 184
        • .300" – 241
        • .400" – 291
        • .500" – 328
        • .600" - 351

      Exhaust:

      • Runner Volume (cc): 125cc
      • Exhaust Valve Diameter (in): 1.880 in.
      • Exhaust Valves Included: Yes
      • CNC-Machined Exhaust Runner: No
      • Port Shape: D-Shape
      • Exhaust Port Location: Raised approx .300” vs OEM
      • CFM Port Flow Average @ 28"
        • .100" – 84
        • .200" – 130
        • .300" – 183
        • .400" – 226
        • .500" - 260
        • .600" - 286

      Combustion Chamber:

      • Combustion Chamber Volume (cc): 119cc
      • CNC-Machined Combustion Chamber: No

      Valve Specs:

      • Maximum Valve Lift (in): .700 in.
      • Intake Valve Angle: 24 Degrees (2 degrees rolled)
      • Exhaust Valve Angle: 15 Degrees
      • 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: 380-400 @ 1.250
      • Spring Pressure Closed: 135-145 @ 2.000
      • Outside Diameter of Outer Spring (in): 1.540 in.
      • Damper Spring Included: Yes
      • Number of Springs per Valve: Dual
      • Retainers Included: Yes
      • Retainer Material: Chromemoly Steel
      • Locks Included: Yes
      • Lock Style: 10 Degree

      Pushrods:

      • Guide Plates Included: Yes
      • Guide Plate Pushrod Size (in): 3/8 in.

      Rocker Arms:

      • Rocker Arm Studs Included: Yes
      • Rocker Arm Stud Size (in): 7/16 x 20
      • Rocker Arms Included: No
      • Rocker Arm Nuts Included: No

      Misc:

      • Head Style: Assembled
      • Cylinder Head Material: Aluminum
      • Cylinder Head Finish: Natural
      • Spark Plug Style: Straight
      • Cover Mounting Style: Perimeter Bolt
      • Oiling Style: Through Pushrod
      • Machined for O-Ring: No
      • Spark Plug Style: Straight
      • Valve Cover Mounting Style: Perimeter Bolt
      • Heat Crossover: No
      • Camshaft Style:
      • 7/16-14 in. & 3/8 -16 in. Accessory Bolt Holes Machined on Ends of Heads
      • Exhaust port location raised approx. .300” vs OEM

      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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