SiR USM Gen 3 Turbo Upgrade.

Ideal for 700-850+whp at sea level on E85 fuel with an OEM Engine with supporting modifications. Uses OEM Oil and Water Lines. 

Includes:

• Light Weight Billet 51mm Compressor wheels, Rated for 46lb/min ea.
• New High Flow Gen 3 Turbines.
• Heavy Duty Journal Bearing Upgrade, 30% more thrust aera, 65% more oil flow. Recommended 28psi Boost Limit. 
• Optional Billet 1 Bar Wastegate actuators with O-Ring seals
• OEM Wastegates can make up to 19psi at 7000rpm with 700-740whp on E85.  

Spool is approximately 250rpm slower than OEM turbos on a 3.8L

For over 800whp Larger than 2012+ OEM Inlets required. 

**NOTE** Requires a $1500 refundable core fee, or send in your set of OEM turbos

2-3 Week Lead Time 

Cost is + $1500 Core fee

Dyno Chart is OEM Engine, OEM Transmission, Street Intercooler on E85 at 19.5 PSIG or 1.35 Bar of boost at Sea Level.