2001-2004.5 LB7 Duramax Diesel Injector Screw-In Cups - High Performance Fuel Injection Upgrade for Chevy Silverado & GMC Sierra Trucks - Perfect for Engine Repair & Restoration Projects

The
factory injector cups are known for leaking, pitting and seizing themselves to
the injectors in your LB7. If you are
looking to ensure proper sealing and increased reliability the screw-in
style injector cups are a great long-term upgrade for your LB7 cylinder heads

Includes:

• 8
  Torque Lock Injector Cups
• 16 Injector Cup O-Rings

Note: Installation
is HIGHLY recommended to be performed at a machine shop.