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LeafspringsSplit Mono Leafsprings/pair Stock Height (370-35)
1982-2004 Chevrolet S-10
1982-1994 Blazer
PRICE PER PAIR, SPLIT MONO LEAFSPRINGS, STOCK HEIGHT
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.
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CalTracs Links
CalTracs Force transfer Links/pair- 23.5″ (L210-235-270)
SET OF TWO
1.25″ diameter x 23.5″ force transfer links. Measure end to end. Can be lengthened 3/4″ each end by turning once installed.
Made with 4130 Chromoly, the CalTracs preload link is light weight but strong, ensuring maximum leverage and minimum flex. Gloss black powder coated for added durability.
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Accessories
HD SPRING CLAMPS/set of 2 (SCH-15)
HEAVY DUTY CLAMPS FOR 2.5″ SPRING, 1.5″ deep
Heavy duty steel, zinc coated spring clamps designed for Calvert Racing’s Split Mono Leafsprings. Includes two clamps, 2 bolts, 2 limiting tubes, and rivets. Rivets are designed to be pressed into spring hole to secure.
These clamps require a chamfered 3/8″ hole be drilled into the leaf for the rivet to be inserted and pressed to secure. NOTE: Back of spring , drill/chamfer the bottom spring. For the front of the spring, drill/chamfer the top spring.
Be sure to measure your springs to make sure the clamps will fit.
SCH-10 shown.
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Accessories
ALUMINUM BUSHING/SET (BK-33)
1988-1998 Chevrolet/GM 1500, 2500, 3500 Series
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)
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Accessories
ALUMINUM BUSHING/SET (BK-42)
1962-1976 MOPAR vehicles
Includes two aluminum bushings and 2 steel inserts for FACTORY leafspring front spring eye.
If you need replacement bushings for Calvert Springs, please call us directly.
(BK-34 shown)
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CalTracs - Trucks
CalTracs Truck w/ 2.5″ Springs (7630)
1980 – 1991 Ford F-150 2WD
Designed especially for trucks with 2.5″ wide leafsprings. Bolt On traction system. Full pre-load adjustability, keeps axle from rotating/maintains pinion angle, eliminates spring wrap up, improves 60′ times. Black powder coated. 3-Hole Berlin-style pivot plates for most applications.
Specializing in leaf spring traction systems since 1995, the Calvert Racing Team knows what it takes to get your truck hooking harder than ever whether you’re drag racing, sled pulling or just towing. Helps eliminate wheel hop. 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. HD 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.
FULL COLOR INSTALLATION GUIDE INCLUDED.
NOTE: Your final product may vary from photo depending on your application. Some applications require additional hardware.
This kit requires and INCLUDES a set of square u-bolts.
SQUARE U-BOLTS (spring OVER axle): Calvert Racing’s square u-bolts are 9/16″ ” diameter. We recommend torqueing truck/square u-bolts to 90-100 foot lbs. After running the vehicle down the track a few times, we also recommending checking the u-bolts and readjusting if necessary. Please see FAQ page or CalTracs Installation Guide for more info.
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Accessories
ALUMINUM BUSHING/SET (BK-21)
1955-1957 Chevrolet Bel Air
Kit includes two aluminum bushings, 2 steel inserts for FACTORY leafspring front spring eye.
If you need replacement bushing for Calvert Springs, please call us directly.
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Sale!Lifestyle
FIVE Can & Bottle Coozies (LS-Can5)
UPDATED ART! Forget Calm – LET’S GO RACING!
SET OF FIVE CAN COOZIES
Keep your cans or water bottle cool and look cool at the same time! 3/8″ foam neoprene, blue with white Calvert Racing Logo. Flat size: 4×5.25″. Fits regular size drink cans, 16 oz water bottles, EVEN 20+ oz metal bottles.
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Accessories
MULTI SPRING CLAMPS/set of 6 (SCQ-01)
SPRING REBOUND STABILIZING CLAMPS FOR 2.5″ MULTI-SPRING/SET OF SIX
Rebound Stabilizing/Alignment fold over, quick on clamps 2.5″ wide multi-pack leafsprings. See Graphic for recommended placement.
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