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CR Series 9 Way Adjustable SHocksCR Series Rear Shocks/pair (CR32136)
NOTE: CR32136 will be REPLACED with HR32136, available approx. May 2025
HR Series High Resistance Shocks have all the benefits of our CR Series Rear Shocks PLUS the upper end of the dial offers higher resistance of separation on hard acceleration, perfect for Drag Racing. Dialing to the lower numbers ease the separation for more comfortable street driving.
BUICK: 1964-1977 Skylark, 1964-1977 GS
CHEVROLET: 1964-1973 Chevelle, 1973-1983 Chevrolet Malibu, 1982-2004 S10 (-1″ drop)
OLDSMOBILE: 1964-1969 Cutlass, 1964-1969 442
PONTIAC: 1964-1979 LeMans, 1964-1979 GTO, 1964-1987 Grand
NOTE: Please note on your order if you have a transbrake, footbrake, or manual transmission/stick shift.
Collapsed Length: 13-5/8″, Extended Length: 20-7/8″, Approx. Ride Height: 15-1/2″ *
* Approximate lengths. Please note that Racing Shocks require different collapsed/extended lengths than stock/street shocks.
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.(0 reviews) -
Leafsprings
Split Mono Leafsprings/pair 1500 Series Trucks Stock Height (340-46)
1999-2018 GMC Sierra 1500
1999-2018 Chevrolet Silverado 1500
1500 SERIES TRUCKS SPLIT MONO LEAFSPRINGS, PER PAIR
Stock 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.
(0 reviews) -
CalTracs - Standard
CalTracs Standard (4200)
THIS KIT INCLUDES 2-HOLE PIVOT PLATES.
Built for:
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
1960-1976 Plymouth Valiant
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) -
CalTracs - Trucks
CalTracs Truck Low Pro (3721)
This kit includes LOW PROFILE Pivot Plates.
2004-2014 Chevrolet Colorado
2004-2014 GMC Canyon
FOR NON-STAGGERED SHOCKS
REAR END HOUSING: Original 7.5″, 8.8″, 9″, 10 Bolt, and 12 Bolt.
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.
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 photos depending on your application. Some applications require additional hardware.
(0 reviews) -
CalTracs - Trucks
CalTracs Truck (7704)
1983-2012 Ford Ranger (flipped)
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.
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.
(0 reviews) -
CalTracs - Standard
CalTracs Standard (2300)
THIS KIT INCLUDES 2-HOLE PIVOT PLATES.
Built for:
1967-1969 Chevrolet Camaro
1967-1969 Pontiac Firebird
1967-1969 Pontiac Trans Am
Fits Ford 9″ with GM, Ford or Universal perch.
Rod Ends/Heim Joints NOW COME WITH GREASE ZERKS. Add a small amount of grease to reduce rattle.
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.
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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) -
Sale!Accessories
2 Degree PINION SHIMS/PAIR BLEMISHED (2-DB)
2 DEGREE SHIMS – SET OF TWO
BLEMISHED. These shims contain scratches and dings which do not affect the performance of the part. ONLY AVAILABLE THROUGH CALVERT RACING. Limited number available, subject to prior sale.
Pinion shims to help correct pinion angle under spring perches. Made of Billet aluminum. Includes washers.
(0 reviews) -
Lifestyle
XXL Black T-Shirt (T-2XB)
2X-LARGE BLACK T-SHIRT
50/50 Cotton/Poly blend for comfort and ease of wear. Silk screened front and back. Machine washable.
(T-LB shown)
(0 reviews) -
CalTracs - Standard
CalTracs Standard Low Pro (2381)
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.
1967-1978 Chevrolet Nova
1971-1977 Oldsmobile Omega
1974 Pontiac GTO
1971-1977 Pontiac Ventura
Fits Ford 9″ with GM, Ford, or Universal perch.
Rod Ends/Heim Joints NOW COME WITH GREASE ZERKS. Add a small amount of grease to reduce rattle.
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.
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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)
