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We are performance engine people. Founded in Holland in 1936, ATK has been the leading supplier of remanufactured engines for over 70 years. In that time, ATK has continuously broken new ground in the industry, being the first to offer “new car” style warranties with every engine sold.  ATK was named 2007 Customer Service Leader of the Year and 2008 Company of the Year by Frost and Sullivan, and is proud to maintain both ISO/TS 16949 and QS-9000 quality seals.

Hi Performance Marine Engine

While ATK continues to set sales records, ATK High Performance was founded to break speed records.  We offer High Performance Marine Engines to satisfy your every need for speed, and every one of of our high performance marine engines is backed with our exclusive 24 month/unlimited mile warranty.

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Are you looking to upgrade that worn out 350CI engine in your boat? This is the package for you! Designed with Dart Vortec Heads, Stroker Torqe, Hyd Roller Cam/Lifters and reliability in mind, this engine fits the bill.