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CalTracs - TrucksCalTracs Truck (3740)
2004-2012 Chevrolet Colorado (REVERSE SPRING EYE)
2004-2012 GMC Canyon (REVERSE SPRING EYE)
Designed especially for trucks. 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. Berlin-style pivot plates for most applications. INCLUDES REQUIRED SQUARE UBOLTS.
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. 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.
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CalTracs Links
CalTracs Force transfer Links/pair- 23″ (L205-230-265)
SET OF TWO
1.25″ diameter x 23″ 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
2.25 ” Axle Perch/pair (HDP-225)
SPRING PERCHES FOR 2.25″ AXLE TUBE
Set of (2) Two Perches. Fully enclosed for added strength, pedestal tabs ensure heat penetration when welded to housing. Perch extends to center line of axle tube for more surface area. Precision laser cut. Requires welding to axle, see graphic for info.
Check out the comparison graphic to see how Calvert’s patented Heavy Duty Perches compare to other manufacturer’s stock perches.
Patented HD Axle Perches. Universal design fits nearly every application. Available to fit the most common axle tube diameters; 2.25″, 2.5″, 2.75″, 3″, 3.25″ and 3.5″
WELDING ONTO AXLE: Pinion angle recommendation is -2 to -4 degrees when used with CalTracs. NOTE: This is the angle of the pinion in relation to the angle of the output shaft of the transmission, NOT the driveshaft. Add the angle of the pinion yoke to the angle of the output shaft with the vehicle sitting at rest with weight on the tires.
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Leafsprings
Split Mono Leafsprings/pair -1″ Drop (631-35)
1964-1965 Mercury Comet
1964-1965 Mercury Cyclone
-1″ DROP 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.
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Sale!Lifestyle
Calvert Hat Camo Green (HAT-G) DISCONTINUED
NEW! GREEN CAMO HAT
100% cotton baseball-style cap with fully embroidered Calvert Racing logo in silver and blue. Eyelet vents. Velcro back for the perfect fit! Camo style available in Green or Pink.
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CalTracs Pivot Plates
CalTracs Monster Pivot Plates/set of 4 (PL-0424)
SET OF FOUR MONSTER PLATES, FOUR HOLES
Designed for RACING VEHICLES. Four holes for ultimate adjustability on lifted vehicles. Made with 5/16″ Mild Steel, black powder coated for added durability. 8″ long, measured from center of spring eye to bottom of plate.
IMPORTANT: INCLUDE YEAR, MAKE AND MODEL IN THE CUSTOMER NOTES SECTION SO WE MAY VERIFY THE CORRECT PARTS ARE SENT.
NOTE: It is recommended that you begin using the hole that allows the traction bars to be most parallel to the ground when your vehicle is fully loaded, weight on tires. Adjust according to how your vehicle responds and your desired level of hook.
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Sale!Lifestyle
3 LEVEL RULER PENS (LS-Level3)
SET OF THREE
So handy you’ll wonder how you ever did without it! Not just a pen, each tool also features a bubble level, two kinds of rulers (inches and metric), a flathead and Phillips screwdriver insert, and a stylus for your phone or tablet. A great gift or add on! Blue with white Calvert Racing logo.
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CalTracs - Standard
CalTracs Standard Low Pro (2103-1)
1955-1957 Chevrolet BelAir, with inboard, stock springs. Works with frame rail pocket kit. Rod Ends/Heim Joints NOW COME IWTH GREASE ZERKS. Add a small amount of grease to reduce rattle.
THIS KIT INCLUDES LOW PROFILE (1 Hole) PIVOT PLATES.
Low Profile allows approx. 1.5″ more ground clearance for vehicles used for every day street driving.
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.
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Accessories
ALUMINUM BUSHING/SET (BK-38)
1995-2004 Chevrolet S-10 Blazer
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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