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N55 “GC” DBB Cast Upgrade Kit


Product CodeN55Q8ROB58
ManufacturerVargas Turbocharger Technologies (VTT)

Earn Reward Points: 2999

Dollar Value of Points: $29.99


WHP Level supported (with proper fuel, upgrades, and tuning) Stock – 600WHP

Our N55 “GC” upgrade consists of 100% new castings for the entire unit. The turbine housing and manifold have been cast in two pieces with all the factory flow restrictions removed. This allows our uprgaded to support a whopping 600WHP. The highest for any drop in N55 upgrade. A GENUINE Garret Dual Ball bearing center section is used, coupled with VTT custom reverse wheels. The compressor is a full billet 11 blade GTX wheel, and the turbine is a Garrett style 10 blade design, these are the same turbine wheels you would find in the Garrett GT line up but made in reverse rotation. DBB stage 2 upgrade also has the option to include a GFB DV+ system to replace the stock plastic DV parts which are prone to cracking and leaking +$245 from the drop-down. This upgrade will support Stock levels-600WHP with quick spool and plenty of flow to redline. Turbo upgrade includes everything needed to install turbocharger including all water, and oil lines, and o-rings.
VTT N55 “GC” Units have no core charge

Add the install kit to make sure you have everything you need to get the job done right!

Install package price is for turbo installation ONLY, added parts such as Inlets, fuel system parts, etc will be additional labor.

Every VTT turbocharger comes with a 1-year limited warranty. Please read our Warranty / Emissions Disclaimer when checking out for more details.

Please be sure to specify year as there are some changes after 2013

THESE PARTS ARE LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW AND ARE NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE. California law defines a “racing vehicle” as “a competition vehicle not used on public highways.” (Calif. Health & Safety Code 39048) These parts may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event. Competition-only motor vehicles may not be driven to a racing event on a public highway and must be transported on a trailer or other carrier. USE OF THESE PARTS IN ANY OTHER VEHICLE MAY SUBJECT YOU TO FINES AND PENALTIES FOR VIOLATION OF FEDERAL AND/OR STATE LAW, WILL VOID YOUR WARRANTY FROM Vargas Turbocharger Technologies, Inc., AND CAN VOID YOUR VEHICLE’S WARRANTY. It is your responsibility to comply with all applicable federal and state laws relating to the use of these parts, and Vargas Turbocharger Technologies, Inc. hereby disclaims any liability resulting from the failure to use these parts in compliance with all applicable federal and state laws. 

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