Setrab USA / sūsa makes oil-cooling and oiling-system components for motorsport, pairing Setrab’s brazed aluminum oil coolers with sūsa’s fittings, filtration, pumps and plumbing parts. The ProLine system grew from a late-1990s request from sūsa and introduced Setrab’s proprietary M22 low-profile female port, a detail designed to make high-performance oil systems easier to assemble. Setrab says its products are used by top motorsport teams and supplied as original equipment to marques including Audi RS, Mercedes-AMG, Ferrari and Lamborghini.
Prolube OilBorn from founder Paul Wireman’s racing years at Proctorville’s Riverside Dragstrip, Prolube Oil makes concentrated oil treatments and lubricants for engines and equipment. The American family-owned company has operated since 1988, developing its signature oil treatment after experimenting with friction-reducing formulas for Wireman’s own race cars. Prolube says its treatment has been used in five winning national championships across NASCAR, NHRA Pro Stock Motorcycle and JEGGS Pro Stock Truck competition.SOUTH POINT, OH
Engine IceBorn in motocross, Engine Ice makes high-performance coolants and cooling-system maintenance products for powersports and motorsports vehicles. The company says it has more than 20 years in thermal management, with formulas developed by a professional technical and R&D team and a production process it controls from start to finish. Its motorcycle coolant has repeatedly taken the top spot in RacerX and VitalMX reader surveys, helping make the brand a familiar name in racing and off-road riding.CINCINNATI, OH
Usui International CorporationUsui International Corporation engineers and manufactures automotive fuel-delivery tubing, brazed components, and engine-cooling products for original-equipment manufacturers. Its U.S. operations combine local production with technology from the Japanese parent company, including fuel-injection tubes adopted on more than half of the world’s common-rail diesel engines. The company is ISO and IATF certified and has twice been named a General Motors Supplier of the Year.SHARONVILLE, OH
Advanced Product DesignFrom its Genoa, Ohio shop, Advanced Product Design builds carburetors and complete fuel-management systems for motorsports, with a particular reputation for alcohol carburetors in sportsman drag racing. Owner and operator John Kyle leads a staff made up entirely of racers, and the company tests its designs on in-house vehicles and a dynamometer. APD also develops billet components and blow-through systems for circle-track, gasoline and boosted applications, drawing on Kyle’s experience as the 1997 winner of the World Super Pro Challenge’s $50,000 event.GENOA, OH