Stock Replacement Valve Guides

Eight Intake & Eight Exhaust Iron Valve Guides

Fits: Many popular Big Block Chevy, Mark IV Iron Heads

Order a new set of eight each, intake and exhaust guides for Mark IV Big Block Chevy.

These replace many OE iron valve guides on Iron Mark IV engines. (Not for aluminum heads)

To assure proper fitment, always measure and verify your valve guide dimensions before ordering.

      Sizes:

• Length Intake- 2.420"
  
• Intake Major Diameter- .625"
  
• Intake Minor Diameter- .6045" (one end)
  
• Length Exhaust- 2.630"
  
• Exhaust Major Diameter- .6202"
  
• Exhaust Minor Diameter- .6162" (two ends)
  
• Material- Cast Iron
  
• Guide ID, Intake- .373"
  
• Guide ID, Exhaust- .374"
• Quantity Included in purchase- 8 Intake and 8 Exhaust guides