This MSD Digital 7 7530T comes with all the necessary wiring harnesses for optimal performance. The brand is well-known in the racing industry, and this product is no exception. It is a great choice for those looking to upgrade their racing engine and achieve better performance. The manufacturer part number is 7530T, and it is classified as a performance part. With its easy-to-use interface, this product is perfect for anyone looking to improve their racing experience. It is suitable for use in various racing engines and is compatible with a wide range of performance parts. This item is listed under the categories of Racing Engines, Engine & Components, Auto Performance Parts, Performance & Racing Parts, and Parts & Accessories on eBay Motors.