Total Performance Racing Industry (TPR Industry) is a San Diego County performance-engineering business that has been building horsepower since the 1990s. Its full-service machine shop specializes in engine building, cylinder-head porting, and other automotive machine work, serving projects ranging from V8 Trophy Trucks to twin-cylinder Polaris RZR vehicles. TPR also develops UTV products intended to address factory limitations and help owners push their vehicles further.

The company offers parts and upgrades for Polaris and Can-Am models, including Pro R, Xpedition, XP1000, Pro XP, Turbo R, and Can-Am X3 applications. Its catalog includes TPR race-prepped and CNC-ported cylinder heads, OEM kits, Brian Crower components, ARP bolts and studs, brake rotors, and a patented Pro R double-shear hub kit. Customers can also find fittings and other parts and accessories for Polaris, Can-Am, Yamaha, Honda, and Kawasaki vehicles. TPR’s online shop features PCI Racing communications products, including intercoms, communication packages, and RaceAir equipment. The business is based in Santee, California, and sells products through its online store.