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LeafspringsSplit Mono Leafsprings/pair -1″ Drop (320-35)
1973-1987 Chevrolet C-10 Truck (52″)*
*Spring measured center eye to center eye along spring arch.
-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. Parabolic rear half design distributes the main spring pressure point through the length of the half, reducing spring breakage.
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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Lifestyle
Calvert Hat Black (HAT-B)
BLACK 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
HANGER/SHACKLE KIT (H64K)
1962-1965 Ford Fairlane
Designed to work directly with CalTracs. These hangers replace the original front hangar plates. Includes Hangers and Rear Shackles and is required when equipping your vehicle with CalTracs and Calvert Springs.
Kit includes set of two Hangers and two Shackles. Also includes two grade 8 spring eye bolts/nuts, six bolts that mount the hangars to the chassis, six J-clips.
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CalTracs - Standard
CalTracs Standard (4209)
THIS KIT INCLUDES 2-HOLE PIVOT PLATES.
Designed for applications with inboard springs.
1963-1976 Dodge Dart/Swinger (3″ inboard)
1962-1976 Dodge Demon (3″ inboard)
1964-1969 Plymouth Barracuda (3″ inboard)
1970-1976 Plymouth Duster (3″ inboard)
1962-1963 Plymouth Fury (3″ inboard)
1962-1964 Plymouth Savory (3″ inboard)
1960-1976 Plymouth Scamp (3″ inboard)
1960-1966 Plymouth Valiant (3″ inboard)
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
HANGER HARDWARE (HW23)
1967-1981 Chevrolet Camaro
1968-1979 Chevrolet Nova
1967-1981 Pontiac Firebird/TransAm
This kit includes new hardware for mounting front hangars in many GM leafspring equipped cars.
Includes two Grade 5 spring eye bolts/nuts, six bolts that mount the hangars to the chassis, along with six J-clips.
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Leafsprings
Split Mono Leafsprings/pair 1500 Series Trucks -1″ Drop (330-44)
1988-1998 GMC Sierra 1500
1988-1998 Chevrolet Silverado 1500
1500 SERIES TRUCKS SPLIT MONO LEAFSPRINGS, PER PAIR
-1″ DROP RIDE HEIGHT
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.
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Accessories
SPRING SLIDERS for 55-57 Chevy (SL-30055 )
SET OF TWO SPRING SLIDERS
1955-1957 Chevrolet Bel AirSliders replace spring shackles. Heavy Duty roller bearings keep the leafspring and body from binding up during suspension movement.
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Australia
CR Series Rear Shocks/pair 13″-13.5″ Universal (CR22116)
Replaced with HR22116, High Resistance Shocks, same fitment
DISCONTINUED, A FEW LEFT IN STOCK
Designed for vehicles that fit shocks with 1/2″ eyelet on BOTH ends.
Universal 9-Way Adjustable Shock pair.
AUSTRALIAN VEHICLES: 1971-1984 Holden HQ/WB Ute, One Tonner, Panel Van*
* Spring ride heights or shock location may affect part numbers. Contact our Australian Dealers for information.
NOTE: Please note on your order if you have a transbrake, footbrake, or manual transmission/stick shift.
Collapsed Length: 11.58″, Extended Length: 17.5″ *
* Approximate lengths. Please note that Racing Shocks require different collapsed/extended lengths than stock/street shocks. Measure center eyelet to eyelet with car on the ground and weight on the tires.
Please call if you have any questions.
Calvert Racing’s CR Series 9-Way Adjustable Rear Shocks twin tube design has what you need for all around best performance and maximum consistency. The dampeners allow you to control rear body separation through an external dial to keep the tires planted.
Constructed of steel with heavy duty 5/8 shaft ensures durability in the most stressful conditions, the 9-Way Adjustable dial is located outside the body for easy access to adjust rebound and to control rear body separation. Great for street/strip use.Generic eyelet/eyelet shock shown
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Accessories
SPRING SLIDERS for GM Factory Multi Springs (SL-300GM )
SET OF TWO SPRING SLIDERS
1967-1981 Chevrolet Camaro
1968-1978 Chevrolet Nova
Designed for certain GM FACTORY Multi Leafsprings. Outside diameter aluminum bushings: 1-5/8″.
NOTE: If you have Calvert Springs, please use Part Number SL-300CR
Heavy Duty roller bearings keep the leafspring and body from binding up during suspension movement. Replaces the existing shackles.
SL-300CR shown.
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