This Performance Shop Will Sell You a Chevy LT5 Crate Engine With 1159 HP
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 responsible for the engines in the Corvette C5.R and C6.R race cars, have the perfect solution.
The engine builder just announced a new, highly modified version of the LT5 making 1159 horsepower and 1063 lb-ft of torque, available as a crate engine you can purchase on its own for your project. Displacement has been bumped to 6.36 liters, while compression has increased to 10.3:1 (up from 10.1:1). There are also Diamond-brand pistons, a CNC ported head with upgraded valves, and your choice of a Magnuson TBVS 2650 supercharger or Katech’s own CNC-ported LT5 unit.
Despite the upgrades, the engine still looks fairly compact, meaning you’ll be able to fit it into pretty much anything you set your heart on, whether it be a resto-mod Corvette you’re restoring or a Miata drift car you’re building to destroy tires with.
Katech doesn’t list the engine on its site just yet, so pricing isn’t yet available. But considering a factory LT5 from Chevy costs around $18,000, we can’t imagine this one being cheap. The Michigan-based shop’s LT crate engines range from $4000 for a refurbished short block all the way to $32,000 for a turn-key 427 cubic-inch LT1 making 806 horsepower called “the Beast.”
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