Muscle Car Series Aluminum Cylinder Head
• Big Block Chevy
• 358cc Intake Runner
• 119cc Combustion Chamber
• Straight Plug
• Assembled
• Sold Individually
  
  
  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 Nickel
• Steam Holes Drilled: No
• Oiling Style: Through pushrod
• Machined for O-Ring: No
• Heat Crossover: No

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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