This is the Aurora 4000 turbo kit for 2001-2004 Duramax LB7 engines.
Part# 202-940-4248
The Aurora 4000 System Features and Benefits:
63.00mm inducer (2.48in) Great spool time and low-end torque Lower EGTs (150-200 degree drop) 1190cfm flow rate Complete bolt-on kit for an easy installation Utilizes a full 4" down pipe
The Aurora 4000 turbo is the perfect solution when looking for a turbo that delivers solid power to your GM Duramax® and can still be driven every day. You get moderate spool-up time, solid mid-range power and boost pressures up to 48 PSI. You don't need head studs with this turbo, but it is not a bad idea.
