What We D0

Valve Springs

We are a valve spring manufacturer. We manufacturer valve springs for our catalog products for various forms of Motorsports around the world. We are also a manufacturer for many cylinder head, private label, and camshaft aftermarket suppliers. All valve springs are manufactured in the USA at our Southfield Michigan Facility.

Precision Springs

Precision springs are springs that require a high fatigue and cyclic life, used in high stress, or tight tolerance environments. PAC Racing manufactures a variety of springs for use in Injectors, Injector pumps, Circuit Breaker, transmission, powertrain, and other specific high quality low to mid volume applications.

Valve Train Components

Valve train component manufacturing is key to having a successful system combination. We design and manufacture valve spring retainers, valve locks, valve spring seats, valve spring shims, and other components. From different grades of titanium, standard chrome moly, or extreme alloys, we have many options to choose from for your specific needs.

Suspension Springs

PAC Racing manufactures high quality, high travel, high endurance suspension springs for use in racing and aftermarket applications. We have catalog options for coil over, conventional circle track, and off road springs. As a custom large wire suspension spring manufacturer, we supply into the defense, armored car, private label, and shock manufacturing industries.

Torsion Bars

In 2016 PAC Racing Springs acquired Schroeder Torsion Bar Manufacturing. Torsion bars are used in various application in racing, automotive OE, and aftermarket vehicles. We specialize in high quality USA manufactured splined bar products. Dominating performance for the Northeast Modified, Midget, Micro Sprint, and Sprint car markets. We also custom manufacture hex and splined torsion bars for other markets, including defense, lifted truck, and specialty vehicle applications.

Shock Manufacturing and Service

In 2017 PAC Racing Introduced a full service, repair, design, manufacturing, and testing service for shock products. We have a complete shock lab equipped with two shock dynos, full time technicians, dedicated design engineers, and prototype areas. We design and manufacture custom and private label shocks for your specific applications. With several successfully launched programs and many skilled shock designers on staff, we can bring you a turnkey suspension design system, testing, and service for your application and business.