Victor Jr. Cylinder Heads are designed for high output 650+ hp Chrysler 426-572 HEMI® engines. They feature fully CNC combustion chambers and CNC blended seats for optimal airflow performance. These cylinder heads also feature a revised exhaust valve angle to accommodate larger intake valves. Brass tubes are installed in exhaust pushrod holes to allow maximum clearance with minimal port intrusion.

• Combustion Chamber: 170cc
  
• Intake Runner Volume: 245cc
  
• Exhaust Runner Volume: 105cc
  
• Intake Valve Diameter: 2.32"
  
• Exhaust Valve Diameter: 1.94"
  
• Valve Stem Diameter: 5/16"
  
• Valve Guides: Manganese Bronze
  
• Deck Thickness: 5/8"
  
• Valve Spring Diameter:1.54"
  
• Valve Spring Maximum Lift:.700"
  
• Pushrod Diameter: 5/16" or 3/8"
  
• Valve Angle: Intake (stock) / Exhaust tipped 1.5° - 21.5°
  
• Exhaust Port Location: Stock
  
• Spark Plug Type: 14mm x 3/4", gasket seat
  
• Required Head Bolt Kit: Edelbrock p/n 350-8513
  
• Recommended Head Gasket: Edelbrock p/n 350-7347

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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