01-04 Duramax LB7 KBDP 63.5mm Front Cover Kit with Billet Wheel T-Shirts They are made from 6061

They are made from 6061 T6 Aluminum

Fast and simple installation

6L Duramax LBZ offers superior surge protection and performance

Quicker turbo spool up

The entire assembly is fully TIG welded using precise settings that produce optimal weld penetration without impacting airflow

01-04 Duramax LB7 KBDP 63.5mm Front Cover Kit with Billet Wheel T-Shirts They are made from 6061Product Details Extended Tip Billet Compressor Wheel and front cover kit for 2001 2004 Chevy GMC Duramax 6. 6l LB7Includes: 1x 63. 5mm Front Cover1x 63. 5mm Billet Compressor Wheel1x Compressor Backing Plate6x Front Cover Bolts Billet Compressor SpecsInducer: 63. 5 mmExducer Base: 82. 05 mmExtended Tip: 87. 35 mmPrimary Tip Height: 41 mmSecondary Tip Height: 30 mmWeight: 116. 1 GramsNose Width: 15. 7 mmBlades: 6 6Extended TipPre balancedReinforced