Katech has released a few new goodies for fifth-generation GM small blocks, including the 5.3-liter EcoTec3 L83, the 6.2-liter EcoTec3 L86, the 6.2-liter naturally aspirated LT1, and the 6.2-liter ...

The XV16, as it was allegedly christened, was made using a completely custom block, fit with one-piece LS6-derived heads. They were apparently so huge they didn’t fit Katech’s CNC machines and had to ...

Katech Engines has released its LS3-based, 416-cubic inch short block with a price tag of $5,899.99. That’s a pretty penny, and a fair bit more than the competing 427-cubic inch short block by ...

For the most part, GM is in the business of selling new cars, not producing parts to keep the old ones running. This creates quite a headache for hot rodders and those who want to track, or even just ...

Detroit-area-based Katech isn't as known as the likes of Hennessey Performance Engineering or Callaway, yet these guys are promising 650 horsepower. The figure alone isn’t that impressive, but all 650 ...

Chevrolet’s LT5 V8 engine is a beast out of the box out of the crate but expert GM engine builder Katech has just announced a heavily-modified version of the engine it dubs the ‘Track Attack.’ As ...

From the factory, Chevrolet's supercharged 6.2-liter LT5 crate engine—used in the C7 Corvette ZR1—makes 755 horsepower. If that's just not enough for you, Katech Performance, the same folks ...

Just as Harry Hogge (Robert Duvall) said in Days of Thunder, "There's nothing stock about stock cars," there is also very little that is stock in the LS2s that Katech Performance builds for the GM ...

The guys and gals at Katech have a new Stage 4 package for the C7 Chevrolet Corvette Z06, and new video from the company shows exactly what goes into building the monster engine capable of delivering ...