PROMAXX Performance Promo Codes May — 25% Expiring!

PROMAXX Performance is a family business that has been buying remnants of Patriot performances and exchanged them for cylinder heads in Alabama since 2012. They specialize in cylinder heads ranging from diesel engines to performance. Their performance has become a passion. Their mission is to provide the best performing cylinder heads on the market at an unparalleled price. Has more than 30 years of racing experience in almost every level; pro Mod and Rostock. They have learned what works and what does not work on the street and on the street. PROMAXX Performance has designed a series of brand-new performance heads that meet or exceed the industry's big names. They also have top-notch customer service, paying attention to every customer's problems and concerns.