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Calvert Mono Leafsprings are designed to work with CalTracs to maintain arch. While street driving does not put undue stress on the springs, racing with Calvert springs without a traction device installed may result in bent or de-arched springs.
Parabolic design distributes the main spring pressure point through the entire length of the spring, reducing spring breakage. Springs are arch verified and available in various ride heights, Calvert’s alternative for aftermarket spring is designed for the 1955-1957 Chevrolet BelAir, 1964-1973 Ford Mustang* and Mopar A-Body* vehicles. Springs are 2″ wide and are substantially lighter than multi leafspring packs. When you order directly from Calvert Racing, we will also send you CalTracs solid metal bushings. Made in USA.
NOTE: These springs are designed for DRAG RACING and have a higher spring rate / stiffer ride than stock springs. Springs are dipped in black paint before assembly, but some raw steel may show due to deburring/grinding sharp edges.
These springs are designed for Drag Race/ Performance and are not advertised at “show quality”.
*Mustang and Mopar A-Body Mono Springs – limited quantities
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