The engine is a stock Chevrolet 5.3-liter LS with a stock crankshaft and cylinder heads. It does have upgraded connecting rods, wrist pins, and pistons. A Borg Warner 88-millimeter turbocharger provides the forced air induction and a custom fabricated ice water cooler (under the hood) helps to make intake air even denser. Check out the video for yourself. “It ain’t how you look – it’s what you got under the hood.