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LeafspringsSplit Mono Leafsprings/pair Stock Height (420-36H)
1961-1963 Dodge Polara
STOCK HEIGHT SPLIT MONO LEAFSPRINGS, PER PAIR
Tested on the fastest stock suspension cars in the world, Calvert’s Split Mono Leafsprings are designed to control and reduce excessive body separation in rear suspension and plants the rear tires without unloading.
All of Calvert Racing’s 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 Racing Springs are designed for DRAG RACING and have a higher spring rate / stiffer ride than stock springs. Spring halves are dipped in black paint before assembly, but some raw steel may show due to deburring/grinding sharp edges.
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.
(0 reviews) -
Leafsprings
Split Mono Leafsprings/pair 1″ Drop (420-35H)
1961-1963 Dodge Polara
1″ DROP SPLIT MONO LEAFSPRINGS, PER PAIR
Tested on the fastest stock suspension cars in the world, Calvert’s Split Mono Leafsprings are designed to control and reduce excessive body separation in rear suspension and plants the rear tires without unloading.
All of Calvert Racing’s 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 Racing Springs are designed for DRAG RACING and have a higher spring rate / stiffer ride than stock springs. Spring halves are dipped in black paint before assembly, but some raw steel may show due to deburring/grinding sharp edges.
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.
(0 reviews) -
Sale!Blemished Shocks
VIKING B213 Rear double adj Rear Shocks/pair (SPECIAL PURCHASE – CL-B213)
VIKING DOUBLE ADJ REAR PERORMANCE SHOCKS. NEW IN BOX, PAIR. Tested once on dyno machine, returned to boxes.
Manufactured by Viking Performance in the United States, these shocks are designed for vintage Mustang vehicles. With a universal fitment for performance/custom applications, these shocks are specifically intended for rear placement.NEW, includes all bushings and bolts, install guide and tuning guide from Viking, and a pair of Viking Stickers. One box damaged, shock in perfect condition.SUBJECT TO PRIOR SALE.(0 reviews) -
Accessories
SPRING SHACKLES/set (SH-300x562HD)
Calvert Racing Shackles and Bushings, pair
Fits: S10 trucks with FACTORY multi springs only (will NOT currently fit trucks with Calvert Springs).
Toss out your old worn out S10 shackles for a new HEAVY DUTY replacement. Set includes rubber bushings for the upper frame and rear spring eyes. Sold as a pair, required hardware included.
(0 reviews) -
Accessories
ALUMINUM BUSHING/SET (BK-57)
2004-2006 Dodge Ram SRT-10
Kit includes two aluminum bushings and 2 steel inserts for FACTORY leafspring front spring eye.
If you need replacement bushing for Calvert Springs, please call us directly.
(BK-34 shown)
(0 reviews) -
Australian
CalTracs Standard Australian LOW PRO (11601-MOD)
THIS KIT INCLUDES LOW PRO PIVOT PLATES.
Built for:
1968-1971 Holden HK/HT/HG Sedan, Panel Van, Ute, Monaro w/ Calvert PS840-4 2″ mono springs
Rod Ends/Heim Joints NOW COME WITH GREASE ZERKS. Add a small amount of grease to reduce chatter.
Designed by Race legend John Calvert. Bolt On traction system. Full pre-load adjustability, keeps axle from rotating/maintains pinion angle, improves 60′ times. Black powder coated for durability. Standard and Low Pro pivot plates available.
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Specializing in leaf spring traction systems since 1995, the Calvert Racing Team knows what it takes to get your car hooking harder than ever. Designed by racers for racers, CalTracs boasts unsurpassed quality and craftsmanship; the competition is eliminated right off the starting line. The preload link is made with Chromoly, lightweight but strong, ensuring maximum leverage and minimum flex. ¾” Rod Ends have a radial static load capacity of over 14,000 pounds. Two-piece aluminum front spring eye bushings assembly keeps the front pivot squared and rigid. The rear mounts are made with 5/16” mild steel to withstand the correct torque on your u-bolts, keeping the rear end from moving.
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NOTE: Your final product may vary from photo depending on your application. Some applications require additional hardware. U-bolts NOT included in the kit but are available if desired.FULL COLOR INSTALLATION GUIDE INCLUDED.
(0 reviews) -
Australian
CalTracs Standard Australian LOW PRO (9101-MOD)
THIS KIT INCLUDES LOW PRO PIVOT PLATES.
Built for:
1971-1984 Holden HQ/WB Ute, One Tonner, Panel Van w/ Calvert PS910-860 2″ mono springs
Rod Ends/Heim Joints NOW COME WITH GREASE ZERKS. Add a small amount of grease to reduce chatter.
Designed by Race legend John Calvert. Bolt On traction system. Full pre-load adjustability, keeps axle from rotating/maintains pinion angle, improves 60′ times. Black powder coated for durability. Standard and Low Pro pivot plates available.
.
Specializing in leaf spring traction systems since 1995, the Calvert Racing Team knows what it takes to get your car hooking harder than ever. Designed by racers for racers, CalTracs boasts unsurpassed quality and craftsmanship; the competition is eliminated right off the starting line. The preload link is made with Chromoly, lightweight but strong, ensuring maximum leverage and minimum flex. ¾” Rod Ends have a radial static load capacity of over 14,000 pounds. Two-piece aluminum front spring eye bushings assembly keeps the front pivot squared and rigid. The rear mounts are made with 5/16” mild steel to withstand the correct torque on your u-bolts, keeping the rear end from moving.
.
NOTE: Your final product may vary from photo depending on your application. Some applications require additional hardware. U-bolts NOT included in the kit but are available if desired.FULL COLOR INSTALLATION GUIDE INCLUDED.
(0 reviews) -
Leafsprings
Parabolic Mono Leafsprings (PS420-6)
2″ WIDE MONO PARABOLIC LEAFSPRINGS, LIMITED QUANTITIES AVAILABLE
Narrower width allows for better side tire clearance, up to 1/4″
Mopar A-Body, Stock Height
Alternative for aftermarket spring. Substantially lighter than multi-leafsprings.
Parabolic spring design distributes stress along the length of the spring, reducing stress on the arch. Each spring pair is arch verified. Center pins and bushings included.
CalTracs solid Bushings included when ordered directly from Calvert Racing.
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.
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.
(0 reviews) -
Leafsprings
Parabolic Mono Leafsprings (PS640-4)
2″ WIDE MONO PARABOLIC LEAFSPRINGS, LIMITED QUANTITIES AVAILABLE
Narrower width allows for better side tire clearance, up to 1/4″
1964-1966 Ford Mustang, Stock Height
1967-1973 Ford Mustang, -1 In Drop
Alternative for aftermarket spring. Substantially lighter than multi-leafsprings.
Parabolic spring design distributes stress along the length of the spring, reducing stress on the arch. Each spring pair is arch verified. Center pins and bushings included.
CalTracs solid Bushings included when ordered directly from Calvert Racing.
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.
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.
(0 reviews)
