NEW ITEMS

Complete 2/0 battery cable kit for your 6.5L truck. Great for replacement or upgrade; these are larger than the factory cables and will ensure you only have to do the...

Single replacement PROM chip for 1994 and 1995 6.5L Diesel vehicles. After completing an order, we will provide a comprehensive online form for you to fill out with all vehicle...

A Quadstar Tuning exclusive!  Customized to fit the 1994 and 1995 6.5L diesels with a removable chip in the PCM. This is a plug & play unit that holds up to...

For all 1996 and newer 6.5L Turbo diesel vehicles including trucks, vans, cab-chassis, boats, and anything else with a DS4 pump!  This PCM is a sealed unit and requires re-flashing with a...

Genuine FlexFit Trucker Style Hats embroidered with the Quadstar Tuning Logo One size fits most - 6 7/8"-7 1/2"

Meet the ONLY high output DS4 injection pump available for 6.5L turbo diesel applications.  Proven anywhere from stock power to 452 HP at the wheels, this pump is ready to...

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...

For all computer controlled 6.5L turbo diesels, this ECT fooler allows you so quickly and easily perform timing adjustments without having to fully warm up the motor. Simply disconnect the...

Our modern solution to an age old problem!  Application specific, this setup is designed to handle the high-flow requirements of turbo diesel engines that have unavoidable blow-by.  Alternative universal solutions...