Enhance your engine's performance with these new Morel .936" roller lifterswith a DLC coating. These lifters bear a part number MP-5923-R. Designed for precision and durability, these lifters are a great addition to your racing engine. They lifters were used for engines in Nascar races and but their quality and durability remains unmatched. These lifters are a performance part, perfect for auto enthusiasts who want to take their engine to the next level. They come from the United States. Please note that there is no warranty, but their performance is guaranteed. Don't miss out on this opportunity to improve your engine's efficiency and power.