Billet Upgrade Turbo Charger with Gaskets. ***Please check turbo numbers and OE numbers before ordering, alternate option BTC1011*** Our advanced assembly techniques ensure seamless integration of bearings, impellers, and rotor assemblies, forming a powerhouse of efficiency. Every turbocharger is rigorously tested under full-speed simulations to guarantee optimal balance and peak performance. Vehicle Fitment Mitsubishi Challenger PB, PC KH4 12/2009~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi L200 Sportero MN KB4 2005~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi Triton ML, MN KA4 07/2008~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi Triton GLX ML, MN KA4 07/2008~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi Triton GLX-R, Activ MN KB4 08/20090~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi Triton GLS, GLX-R MN KB4 10/2008~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi Triton GLX MN KB4 03/2009~05/2011 2.5L Diesel 4D56T RWD/4WD Mitsubishi Triton GLX Club MN KB4 10/2010~05/2011 2.5L Diesel 4D56T RWD/4WD Sizing and Specifications Turbo Model: RHF4 Turbo Number: VA420088 OE Equivalent Numbers 1515A029 What's Included Turbo Charger Assembly What Is a Billet Upgrade? A billet upgrade refers to the use of high-quality, machined billet components in the construction of parts, such as turbochargers. The term "billet" means the part is made from a single block of material (usually aluminum or steel) that is machined down to the final shape, as opposed to being cast or forged. Key Benefits of a Billet Upgrade: Strength and Durability: Billet components are stronger than cast parts because they have a denser, more uniform grain structure. This makes them better suited for high-performance and heavy-duty applications. Precision and Customization: CNC machining used for billet parts allows for more precise designs and better airflow optimization, enhancing turbo performance. Improved Heat Resistance: Billet materials often handle heat and pressure more effectively than cast alternatives, which is critical for turbochargers operating at high RPMs and extreme conditions.