The 454 big block stroker kit comes in a compact size that is easy to work on and store when not in use. It also comes with a step-by-step instructions manual that will walk you step-by-step through the installation process so you don't have to worry about making mistakes and causing damage to the engine. According to the seller, this 454 big block stroker kit is in excellent condition and has never been used. It comes with everything shown in the pictures, including the engine block, pistons, crank, rods, camshaft, valves, and other miscellaneous parts that you will need to complete the project. Direct Approach: 1800 351 351 Product Link: https://www.totalperformance.net.au/bbc-chevy-4.250-forged-4340-stroker-crankshaft Official Website: https://www.totalperformance.net.au/