Due to high demand, current lead time on tunes is minimium of 2 weeks. Current lead times on custom built turbos is ~1 month. All PT Wiring Solutions products have an additional 5 day lead time after order processing. Please plan accordingly. We thank you for your support of the finest parts available for the 6.5L Turbo diesel platform!

Billet Fuel Return Log

Quadstar Tuning LLC

  • $74.99

Will be in stock after month_day_year

Our solution to replacing the factory metal return lines on 6.2 and 6.5L diesel engines.  This kit is designed to replace both metal lines on the engine; the one across the front and the one under the intake manifold.

This is a new product release planned for December 1, 2020!


  • Billet aluminum fuel distribution block with threaded ports and hose fittings
  • 1/4" hose to connect injection pump return
  • 5/16" hose to connect to the factory return line at the rear of the engine, going to the fuel tank
  • Clamps for the 1/4" and 5/16" hose
  • Injector return hose to connect both banks of fuel injectors. This is push lock style hose that doesn't need clamps
  • 2 end caps with spring clamps to cap one end of each injector bank

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