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Blueprint Engines PS8012 - Blueprint Engines Big Block Chevy 358cc Aluminum Cylinder Heads

Blueprint Engines PS8012 - Blueprint Engines Big Block Chevy 358cc Aluminum Cylinder Heads

Blueprint Engines#138-PS8012

Muscle Car Series Aluminum Cylinder Head
  • Big Block Chevy
  • 358cc Intake Runner
  • 119cc Combustion Chamber
  • Straight Plug
  • Assembled
  • Sold Individually

    Blueprint Engines PS8012 - Blueprint Engines Big Block Chevy 358cc Aluminum Cylinder Heads Details

    Muscle Car Series Aluminum Cylinder Heads

    Features:
  • Combustion Chamber Volume (cc): 119cc
  • Intake Runner Volume (cc): 358cc
  • Exhaust Runner Volume (cc): 125cc
  • Intake Port Location: Standard
  • Exhaust Port Shape: D-Shape
  • Exhaust Port Location: Standard
  • Spark Plug Style: Straight, .750 Reach Gasket
  • Intake Valve Diameter (in): 2.300"
  • Exhaust Valve Diameter (in): 1.880"
  • Maximum Valve Lift (in): .650"
  • Spring Pressure Closed: 135-145 @ 2.000"
  • Spring Pressure Open: 380-400 @ 1.250"
  • Outside Diameter of Outer Spring (in): 1.540"
  • Number of Springs Per Valve: Dual
  • Retainer Material: Chromemoly steel
  • Lock Style: 10 degree
  • Valve Stem Seal Style: Viton® Fluoroelastomer
  • Rocker Arm Nut Thread Size: 7/16" x 24
  • Guideplate Pushrod Size: 3/8"
  • Valve Cover Mounting Style: Perimeter Bolt
  • Accessory Bolt Holes Drilled: Yes
  • Intake Valve Angle: 24 Degrees (2 degree rolled)
  • Exhaust Valve Angle: 15 Degrees
  • Valve Guide Material: Manganese bronze
  • Valve Seat Machine Style: 5-angle
  • Valve Seat Material: Chrome Nickle
  • Steam Holes Drilled: No
  • Oiling Style: Through pushrod
  • Machined for O-Ring: No
  • Heat Crossover: No

  • Blueprint Engines PS8012 - Blueprint Engines Big Block Chevy 358cc Aluminum Cylinder Heads

    The BluePrint Muscle Series Big Block Chevy 358cc Aluminum Cylinder Heads are designed to accomodate hydraulic flat tappet and hydraulic roller cams. The 358cc intake, 125cc exhaust runners and 119cc combustion chambers are as cast. Scientifically engineered to give you more power than comparably priced options, these world-class heads are ready to go toe-to-toe with the industry's most powerful cylinder heads for a fraction of the cost. These heads feature great port and combustion chamber design, combined with high quality 21-4n Stainless steel valves, Viton seals, and double springs putting you in the driver's seat and your BluePrint Muscle heads in a performance class of their own!