Upgrade Your Rig with an HX40 Turbo 6.5 Diesel Kit

Installing an hx40 turbo 6.5 diesel kit is probably one of the most satisfying things you can do for a truck that's feeling a bit sluggish under load. If you've spent any time behind the wheel of a Chevy or GMC equipped with the old 6.5L Detroit Diesel, you know the drill. It's a reliable enough engine, sure, but the factory turbo setup often feels like it's trying to breathe through a cocktail straw. Whether you're towing a trailer or just trying to merge onto the highway without a calendar, the stock GM-4 or GM-8 turbos eventually hit a wall. That's where the Holset-style HX40 comes into play, and honestly, it's a night-and-day difference. ...

May 21, 2026 · 6 min · Maximilian Dar