KB Diesel Performance LLC

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

  • Sale
  • Regular price $428.95
Free shipping on orders over $150.

Quantity In Stock: 5+


  • 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