Designed and built especially for 55-57 Chevrolets, our parabolic mono springs (spring is thicker in the middle for maximum strength) distributes the spring pressure point through the length, reducing spring breakage and virtually eliminating spring wrap.
All of Calvert Racing’s 2.5″ wide Leafsprings include solid bushings already pressed into the front spring eyes and polyurethane bushings in the rear spring eyes.
Unlike many other springs, Calvert Springs include center locating pin for precise install and prevents slipping under acceleration and movement.
NOTE: Calvert Split 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.
SOLD AS A PAIR. MADE IN U.S.A.
Parabolic rear half design (spring is thicker in the middle and overlaps for maximum strength) distributes the spring pressure point through the length of the half, reducing spring breakage and virtually eliminating spring wrap. Our Split Mono Springs are also lighter than most stock springs.
We also carry 1500 Series Truck Racing Springs, which are up to half the weight of normal spring packs, reducing the vehicle’s overall weight. Click the Calvert Split Mono Leafsprings button for details.
All of Calvert Racing’s 2.5″ wide Split Mono Leafsprings are assembled to order with grade 8 hardware and heavy-duty alignment clamps. Aluminum bushings are pressed into the front spring eyes and polyurethane bushings in the rear spring eyes, these springs have been proven to withstand over 2,500 HP at ¼ mile ETs in the 6s.
NOTE: Calvert Split 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. Truck springs are not designed to withstand hauling or towing weights and should only be used in racing or basic street driving,
SOLD AS A PAIR. MADE IN U.,S.A.
Calvert Racing’s beautiful full color print catalog features a complete list of our products printed on high quality gloss paper and dozens of photos of some of our customer’s vehicles. FREE. Mailed twice per year.
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