Thread In Fuel Injector Cups for 6.6l Duramax LB7 Chevy GMC 2001-2004

• Thread In Style Injector Cups
• Eliminate Cup Lifting
• Prevents Leaks
  
• CNC Machined from 304SS 

Includes:

• 8x 304SS Injector Cups
• 16x O-Rings
• 1x Long Gun Tap
• 1x Install Tool - made from 42CRMO steel

Fits: 2001-2004 Chevy GMC 6.6l Duramax LB7

• Requires machine shop install
• Cannot be done with heads installed
• Heads must be square on milling machine prior to tapping
• Tighten to 35–40 ft-lbs
• Use Red Loctite 272 (high-temp) on the threads