Progressive Automotive has been shaping the hot-rod suspension market since 1976, when it introduced its Mustang II independent front-suspension kits. From its Baltimore, Ohio shop, the company builds custom frames and rolling chassis for owners restoring classic vehicles, with a focus on preserving original contours while adding modern performance. Its early adoption of Corvette suspension technology earned an NSRA Industry Appreciation Award in 1984.
NSRA Industry Appreciation Award
certification
Martz ChassisSince 1970, family-owned Martz Chassis has built custom performance suspension systems and chassis for street rods, muscle cars and other enthusiast vehicles in Bedford, Pennsylvania. Founded by racing mechanic and engineer Gary Martz, the company remains under the leadership of his son Andy, carrying a generation of racing-derived chassis knowledge into custom fabrication and installation work.BEDFORD, PA
Spohn Performance, IncSince 1999, Spohn Performance has designed and manufactured high-performance suspension, chassis and drivetrain components for muscle cars and trucks from its 27,000-square-foot facility in Myerstown, Pennsylvania. Its skilled craftsmen also build custom parts such as control arms and chrome-moly driveshafts, with a focus on detailed fabrication and value. Spohn is a member of the SEMA Motorsports Parts Manufacturer Council.MYERSTOWN, PA
CorteX RacingCorteX Racing designs and manufactures automotive aftermarket and motorsports products, especially suspension systems and components for Mustangs and other vintage Ford applications. Its capabilities include in-house engineering, structural testing, fabrication, installation, vehicle builds, and race support, serving street, drag-strip, road-course, and professional and club motorsports markets.LOVELAND, OH
UniSteer Performance ProductsSince 2004, UniSteer Performance Products has been the aftermarket division of MAVAL Industries, bringing its parent company’s steering expertise to owners of classic and specialty vehicles. From its Twinsburg, Ohio operation, UniSteer builds bolt-on rack-and-pinion kits tailored to match factory suspensions, with many assemblies customized in-house for the vehicle they serve.TWINSBURG, OH