This LS 5.3L flat - top piston set is a great fit for LS1/2/6 style cathedral port heads. With a 329cid displacement, it features a 3.800in bore, 3.622in stroke, 6.125in rod, 0.927in pin, - 4.2cc volume, weighs 427g, and has a 9.8 CR. Made of 2618 material, it offers high - performance and durability.

Using this piston set is straightforward. First, make sure your engine is clean and free of debris. Carefully install the pistons into the cylinders, following the correct orientation. When it comes to maintenance, regularly check the pistons for signs of wear or damage. It's also a good idea to change the engine oil at recommended intervals to keep the pistons lubricated. If you notice any unusual noises or performance issues, stop using the engine and have it inspected. Keep in mind that this piston set is designed specifically for LS 5.3L engines with LS1/2/6 style cathedral port heads, so don't try to use it in other engines.