Industrial Injection Torque Lock Injector Screw In Cups for Chevy/GMC (2001-04) LB7 Duramax

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.