Are you looking to bring your classic muscle car into the 21st century? Check out LS Engine King’s complete line of LS7 turn-key crate engines! We offer 427 & 441 CID LS7 packages with power ranging from 625 HP all the way up to 750 HP. All of our turn-key crate engines include a custom engine harness and ECM that can be built to run your electronic transmission for no additional charge! They also include a one year, unlimited mileage warranty. Give us a call today to get a quote on your turn-key crate engine!