From its headquarters in Mentor, Ohio, K1 Technologies engineers performance connecting rods and crankshafts for racers, builders, and engine enthusiasts. The company develops its designs in-house from track-tested feedback, then manufactures and inspects them to tight tolerances, including weight-matched connecting-rod sets and thoroughly tested components. Its coverage spans domestic, European, and sport-compact engine platforms, with custom and specialty sizes available for unusual builds.
Callies Performance ProductsFounded in 1989 by Richard W. Norton Jr., Callies Performance Products manufactures high-performance crankshafts, connecting rods and camshafts at its Fostoria, Ohio facility. The independently owned American manufacturer combines U.S. engineering with in-house finishing and quality control, including 100% inspection of its crankshafts. Through sister company Energy Manufacturing, Callies also supplies engine blocks for complete performance-engine builds.FOSTORIA, OH
Race Winning BrandsRace Winning Brands is a Mentor, Ohio-based manufacturer built around 20 established performance brands and a network of 23 facilities worldwide. Primarily making its products in the USA, the company serves professional racers, engine builders and powersports enthusiasts while also supplying niche OEMs and larger automotive manufacturers.MENTOR, OH
Performance EnterprisesWith more than 30 years serving the racing community, Performance Enterprises builds custom racing engines and supplies components for circle-track teams. Its machine shop works with paved oval, late model stock, and dirt-track racers, combining engine machining with dynamometer testing and tuning. The company also offers 604 racing crate motors and related parts.CLEVELAND, OH
Kalvinator Engines, IncKalvinator Engines, Inc. builds and machines performance engines in Wapakoneta, Ohio, serving customers from a 4,500-square-foot facility. Owner Kevin Frische started the business as a side venture in a small building beside his home in 1999; it incorporated in 2002 and moved to its current location in 2009. The four-person shop was built around quality workmanship and customer service.WAPAKONETA, OH