KMJ Performance parts are available online through KMJPerformance.com as well as the KMJ Performance eBay store. KMJPerformance.com offers a vehicle search function that allows users to find parts by year, make, model, trim and engine type.
KMJPerformance.com also allows users to shop for parts by category, price, brand and savings. A search function by part number and Universal Product Code is also available. Part categories include brakes, engines and components, exhaust, gauges and racing. The company stocks a large number of brands, including Flowmaster, Howards Cams and Pacesetter Performance Products.
The KMJ Performance eBay stores features new arrivals and has sections for discounted and relisted items.