{"product_id":"vtt-2013-2018-6-7-cummins-gc-turbocharger-upgrade","title":"VTT 2013-2018 6.7 Cummins “GC” Turbocharger Upgrade","description":"\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSupported Power Level\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGC Stock – 700 WHP\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eVTT 6.7 Cummins “GC” Turbocharger Upgrade\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eReady to take your 6.7 Cummins to the next level without dealing with core charges, long lead times, or restrictive factory housings? VTT has you covered with our \u003cstrong\u003e100% new casting GC turbocharger upgrade\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe retained the best aspects of the factory Cummins turbo design while eliminating key limitations—such as outdated 12-blade turbine wheels, restrictive turbine housings, and cast compressor wheels. In their place, we’ve implemented modern aero advancements, including a \u003cstrong\u003ebillet cobalt VGT nozzle for increased durability and long service life\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eMany assume the compressor wheel is the primary factor in power production. While it plays a role, \u003cstrong\u003ethe turbine wheel is the true driver of turbocharger flow and performance\u003c\/strong\u003e—including blade count, aero design, and efficiency.\u003c\/p\u003e\n\u003cp\u003eBy replacing the outdated 12-blade turbine with an advanced \u003cstrong\u003e9-blade Inconel turbine featuring modern aero and weight-reduction cutouts\u003c\/strong\u003e, the GC turbo delivers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eStock-like spool characteristics\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSignificantly increased flow capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUp to 700 WHP capability with proper supporting mods\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe then take it further with proprietary VTT design enhancements and OE-quality castings, resulting in a \u003cstrong\u003etrue drop-in turbocharger\u003c\/strong\u003e capable of serious performance for towing, sled pulling, or street use—while maintaining factory fitment across all connections.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Design Elements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-new castings\u003c\/strong\u003e with factory restrictions eliminated (no oversized wheels forced into stock housings)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70mm \/ 62mm 9-blade Inconel turbine wheel\u003c\/strong\u003e with advanced aero for optimal flow and spool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90mm \/ 64mm 9-blade point-milled compressor wheel\u003c\/strong\u003e designed to maximize airflow and reduce surge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized turbine housing A\/R ratio\u003c\/strong\u003e for improved efficiency\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLower EGTs under load\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet cobalt VGT nozzle\u003c\/strong\u003e for enhanced durability and reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on compatibility\u003c\/strong\u003e with all factory connections (oil, water, downpipe, charge pipe)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedesigned internal components\u003c\/strong\u003e, including improved oiling and upgraded thrust bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo core charge\u003c\/strong\u003e — keep or resell your original turbo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo long lead times\u003c\/strong\u003e — production units intended for same- to next-day shipping (confirm stock at time of order)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-month, unlimited mileage warranty\u003c\/strong\u003e — no-hassle replacement if issues arise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) VTT 6.7 Cummins “GC” Turbocharger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eRecommended Supporting Modifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eTo fully realize the performance potential of the GC turbo, we strongly recommend pairing with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFuel system upgrades\u003c\/li\u003e\n\u003cli\u003ePerformance tuning\u003c\/li\u003e\n\u003cli\u003eIntake upgrades\u003c\/li\u003e\n\u003cli\u003eDownpipe and intercooler upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile gains will be seen on a stock setup, \u003cstrong\u003emaximum performance requires proper supporting modifications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor best results, add a \u003cstrong\u003eCummins install kit\u003c\/strong\u003e to ensure a smooth, trouble-free installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eAll VTT turbochargers include a \u003cstrong\u003e1-year limited warranty\u003c\/strong\u003e. Please review our full Warranty and Emissions Disclaimer at checkout for complete details.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eEmissions \/ Legal Disclaimer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFOR COMPETITION USE ONLY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese parts are legal for use only in competition racing vehicles as defined under California law (Calif. Health \u0026amp; Safety Code § 39048). A competition vehicle is defined as one not used on public highways.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThese parts may only be used on closed courses in sanctioned racing events\u003c\/li\u003e\n\u003cli\u003eVehicles equipped with these parts must not be driven on public roads\u003c\/li\u003e\n\u003cli\u003eTransportation to events must be via trailer or carrier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse of these parts in non-compliant vehicles may result in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFines and penalties under federal and\/or state law\u003c\/li\u003e\n\u003cli\u003eVoiding of product warranty\u003c\/li\u003e\n\u003cli\u003eVoiding of vehicle manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is the purchaser’s responsibility to ensure compliance with all applicable laws. Vargas Turbocharger Technologies, Inc. assumes no liability for misuse.\u003c\/p\u003e","brand":"Vargas Turbo Technologies","offers":[{"title":"Default Title","offer_id":47878239518876,"sku":"VTT-Cummins-GC-Composite-1","price":2629.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/IMG_2577-rotated_a79d9776-9e1b-4663-af8b-57910491e002.jpg?v=1791945757","url":"https:\/\/daroracing.com\/products\/vtt-2013-2018-6-7-cummins-gc-turbocharger-upgrade","provider":"Daro Racing","version":"1.0","type":"link"}