Parts & Accessories Spare parts For sale: Modified 5.3 LT L83 engine, 2017 model The engine has a Texas Speed Stage 2 cam. LS7 lifters from Texas Speed. Double springs. And rods and DOD delete system. Everything else is original, and the engine is in excellent condition. Mileage is less than 20,000 km and it produces a very powerful number. Price is negotiable for serious buyers. The engine is running and installed in the car for anyone who wants to check it.