2001-2004.5 LB7 Duramax Diesel Injector Screw-In Cup Kit with Installation Tool & Hardware - Compatible with Chevy Silverado GMC Sierra 2500HD 3500HD Pickup Trucks

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
• 1 cylinder head tap
• 1 torque lock cup install tool
• 1 bottle taping fluid

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