• Victor Jr
• Cylinder Head
• Chamber Size 60cc
• w/Valves Springs Retainer/Keepers For Flat Tappet
• Complete
• Single
• Small Block
• Race Only

VICTOR JR. 20Á - 210cc FEATURES:

• 500+ horsepower potential out-of-the-box using stock valve train geometry
• High-flowing 210cc intake ports and .130" raised 75cc exhaust ports
• Available with 60cc or 70cc combustion chambers
• 70cc combustion chambers are ideal for turbocharged and supercharged applications
• CNC gasket-matched port entries/exits with blended valve bowls
• Spark plug holes and valves are in the stock location
• Valve cover rail raised .150"
• A relief in the head allows most roller lifters to be changed without removing heads

Cylinder Head Specifications:

• Combustion chamber volume: 60cc / 70cc
• Intake runner volume: 210cc
• Exhaust runner volume: 75cc
• Intake valve diameter: 2.05"
• Exhaust valve diameter: 1.60"
• Valve stem diameter: 11/32"
• Valve guides: Manganese bronze
• Deck thickness: 5/8"
• Valve spring diameter: 1.55"
• Valve spring maximum lift: .650" ft / .670" roller (A)
• Rocker stud: 7/16"
• Guideplate: Hardended steel
• Pushrod diameter: 5/16"
• Valve angle: 20Á
• Exhaust port location: Raised .130"
• Spark plug fitment: 14mm x 3/4 reach