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CalTracs - TrucksCalTracs Truck (7814)
2026 Ford F-150 (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. 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) -
Leafsprings
Parabolic Mono Leafsprings -1″ DROP (PS230-8)
2″ WIDE MONO PARABOLIC LEAFSPRINGS, – 1 INCH DROP height
FOR RACING VEHICLE UNDER 3,000 POUNDS WITH CENTER SPRING EYES
Narrower width allows for better side tire clearance, up to 1/4″
1967-1981 Chevrolet Camaro
1968-1978 Chevrolet Nova
PLEASE CALL TO VERIFY IF THESE WILL FIT YOUR VEHICLE. 661-728-9600, M-F, 8am-4:30pm Pacific time.
Also available, -1″ drop, part # PS230-6
Alternative for aftermarket spring. Substantially lighter than multi-leafsprings. Parabolic spring design distributes stress along the length of the spring, reducing stress on the arch. Each spring pair is arch verified. Center pins and bushings included.
CalTracs solid Bushings included when ordered directly from Calvert Racing. LIMITED QUANTITY AVAILABLE, ONLY THROUGH CALVERT RACING.
NOTE: These springs are designed for DRAG RACING and have a higher spring rate / stiffer ride than stock springs. Springs are dipped in black paint before assembly, but some raw steel may show due to deburring/grinding sharp edges.
Calvert 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) -
Leafsprings
Parabolic Mono Leafsprings STOCK HEIGHT (PS230-6)
2″ WIDE MONO PARABOLIC LEAFSPRINGS, Stock height (also available, 1″ DROP, part # PS230-8)
Narrower width allows for better side tire clearance, up to 1/4″
FOR RACING VEHICLE UNDER 3,000 POUNDS WITH CENTER SPRING EYES
1967-1981 Chevrolet Camaro
1968-1978 Chevrolet Nova
PLEASE CALL TO VERIFY IF THESE WILL FIT YOUR VEHICLE. 661-728-9600, M-F, 8am-4:30pm Pacific time.
Also available, -1″ drop, part # PS230-6
Alternative for aftermarket spring. Substantially lighter than multi-leafsprings.
Parabolic spring design distributes stress along the length of the spring, reducing stress on the arch. Each spring pair is arch verified. Center pins and bushings included.
CalTracs solid Bushings included when ordered directly from Calvert Racing.
NOTE: These springs are designed for DRAG RACING and have a higher spring rate / stiffer ride than stock springs. Springs are dipped in black paint before assembly, but some raw steel may show due to deburring/grinding sharp edges.
Calvert 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) -
CR Series 9 Way Adjustable SHocks
HR Series Rear Shocks/pair (HR42116)
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.
NOTE: Please note on your order if you have a transbrake, footbrake, or manual transmission/stick shift.
RELOCATED SHOCKS – INBOARD BEHND AXLE. Compressed: 14.5″ extended 21.6″, Stud/Eyelet
Custom Shock. Please call for more information, 661-728-9600, Monday-Friday, 8am-4:30pm PST.
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.CR42116 shown
(0 reviews) -
Australia
HR Series Rear Shocks/pair (HR42123)
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.
1982-2002 Chevrolet Camaro
AUSTRALIAN VEHICLES:
1968-1971 Holden HK/HT/HG Sedan, Panel Van, Ute, Monaro*
* 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: 12-14″, Extended Length: 18-5/8″, Approx. Ride Height: 14-1/4″ *
* 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) -
CR Series 9 Way Adjustable SHocks
bCR Series Rear Shocks/pair (CR22142) BLEM
DODGE: 1970-1974 Challenger, 1967-1978 Charger, 1965-1976 Coronet, 1963-1976 Dart, 1962-1978 Demon, 1965-1973 Polara
PLYMOUTH: 1964-1974 Barracuda, 1965-1970 Belvedere, 1964-1974 Cuda, 1970-1976 Duster, 1962-1978 Fury, 1975-1977 Grand Fury, 1967-1971 GTX, 1968-1975 Road Runner, 1962-1964 Savoy, 1960-1976 Scamp, 1960-1966 Valiant
Collapsed Length: 14-1/4″, Extended Length: 22-1/8″, Approx. Ride Height: 16.25″ *
* 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.PHOTOS do not show actual blemished shock.
(0 reviews) -
CR Series 9 Way Adjustable SHocks
HR Series High Resistance Rear Shocks/pair (HR42133M)
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.
1979-2014 Ford Mustang
NOTE: Please note on your order if you have a transbrake, footbrake, or manual transmission/stick shift.
Collapsed Length: 13.25″, Extended Length: 20″, Approx. Ride Height: 15.25″ *
* 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 Stock Height (420-36H)
1961-1963 Dodge Polara
STOCK 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.
(0 reviews) -
Leafsprings
Split Mono Leafsprings/pair 1″ Drop (420-35H)
1961-1963 Dodge Polara
1″ DROP 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.
(0 reviews)
