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LeafspringsSplit Mono Leafsprings/pair 1500 Series Trucks Stock Height (330-46)
1988-1998 GMC Sierra 1500
1988-1998 Chevrolet Silverado 1500
STOCK RIDE HEIGHT, PER PAIR.
Half the weight of factory mono-leafpsrings, Calvert’s parabolic split mono-leaf design is built especially for street or racing ONLY. These springs are not intended for hauling or towing.
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) -
CalTracs - Trucks
CalTracs Truck (7510)
2008-2015 Ford F-250 4WD Diesel
2008-2015 Ford F-350 4WD Diesel
Designed especially for trucks, axle BELOW springs. 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.
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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Lifestyle
XL Grey T-Shirt (T-XLG)
NEW! X-LARGE CHARCOAL GREY T-SHIRT
50/50 Cotton/Poly blend for comfort and ease of wear. Silk screened front and back. Machine washable.
Available in sizes M, L, XL, 2XL, 3XL
(T-LG shown)
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Sale!Lifestyle
3 MAGNETIC Slot SCREWDRIVERS (LS-Mag3)
Set of THREE magnetic standard slot screwdrivers with pocket clip. Strong magnet, great for toolbox, “junk drawer”, glove box, or pocket! Makes a great gift.
(0 reviews) -
CalTracs - Trucks
CalTracs Truck w/ Dana 70 (5440-70)
1994-2002 Dodge Ram 2500 2WD, with Dana 70 Rear Housing
1994-2002 Dodge Ram 3500 2WD, with Dana 70 Rear Housing
Designed especially for trucks, axle BELOW springs. 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.
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.
(0 reviews) -
CalTracs - Standard
CalTracs Standard Low Pro (4201)
THIS KIT INCLUDES LOW PROFILE (1 Hole) PIVOT PLATES.
1963-1976 Dodge Dart/Swinger
1962-1976 Dodge Demon
1964-1969 Plymouth Barracuda
1970-1976 Plymouth Duster
1962-1963 Plymouth Fury
1962-1964 Plymouth Savoy
1960-1976 Plymouth Scamp
1960-1966 Plymouth Valiant
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: Part #2301 shown. 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) -
Lifestyle
L Navy T-Shirt (T-LN)
LARGE NAVY T-SHIRT
50/50 Cotton/Poly blend for comfort and ease of wear. Silk screened front and back. Machine washable.
(T-LN shown)
(0 reviews) -
Lifestyle
Calvert Hat Navy (HAT-N)
NAVY BLUE HAT
100% cotton baseball-style cap with updated fully embroidered Calvert Racing logo in blue and grey. Eyelet vents. Velcro back for the perfect fit! Available in Black or Navy Blue. Camo styles (green and pink) also available.
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Accessories
U-Bolts, Round/set, 2.5″x6″ (UR250x60)
SET OF FOUR ROUND U-BOLTS w/hardware
2.5″ axle diameter x 6″ long
Round U-bolts, Grade 5 steel, rust resistant coating, 1/2″ diameter. Sets include 4 U-bolts, with nuts and washers.
NOTE: While you can use your vehicle’s stock ubolts with CalTracs, Calvert Racing’s 1/2″ diameter u-bolts is an upgrade as most stock applications come with 7/16″ diameter u-bolts. We recommend torqueing the u-bolts to 65-70 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 the FAQ page on this website or CalTracs Installation Guide for more info.
(UR250x60 shown)
(0 reviews)
