Formed in 1988 from the Penske Racing Indy Car team’s search for a higher-performing damper, Penske Racing Shocks manufactures custom racing shocks for automotive, motorcycle and off-road vehicles. Each shock is billet-machined and hand-built in America rather than mass-produced or outsourced, with every unit dyno-tested before shipping. From its Reading headquarters, a team of more than 40 supports racers worldwide while also developing specialized damping and precision CNC-manufacturing solutions for military and other demanding applications.
Santhuff's Suspension SpecialtiesFrom its Sinton, Texas shop, Santhuff’s Suspension Specialties builds drag-racing shocks and struts designed specifically for the demands of the strip. Its patented port-only valving is speed-sensitive rather than based on conventional spring stacks, and the company supports racers with adjustment guidance, custom configurations, and service work. Santhuff-equipped cars have appeared in major drag-racing wins and records, including NHRA, ADRL, and Australian Top Doorslammer competition.FOSTORIA, OH
KYNTEC CorporationFounded in 2012, KYNTEC Corporation designs and manufactures shock absorbers, rate controls and other motion-control devices for demanding applications. Based in suburban Buffalo, the company develops both standard and custom solutions in-house, including its KynSHOT precision recoil dampers, and machines its products at its own ISO 9001-certified U.S. facility. KYNTEC is also an ITAR-registered manufacturer with more than 100 years of combined in-house team experience.ORCHARD PARK, NY
BILSTEINFounded from August Bilstein’s 1873 beginnings in Westphalia, BILSTEIN manufactures shock absorbers and suspension systems for road vehicles, off-road use and motorsport. Headquartered in Ennepetal, the company has more than 4,000 employees across six countries and produces around 13 million shock absorbers each year. Its long-running motorsport presence—including victories in Formula 1, the World Rally Championship and major endurance races—continues to inform its aftermarket and original-equipment work.HAMILTON, 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