parts
Showing 82–90 of 204 resultsSorted by popularity
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Accessories
U-Bolts, Round/set, 2.81″x7″ (UR281x70)
SET OF FOUR ROUND U-BOLTS w/hardware
2.81″ diameter x 7″ long, for axle ABOVE springs
Round U-bolts, zinc plated Grade 5 material, 1/2″ diameter, kits 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.
(UR275x70 shown)
(0 reviews) -
Accessories
4 Degree/2″ PINION SHIMS/PAIR (4-D2)
4 DEGREE SHIMS – SET OF TWO
2″ wide. Fits 1.75′ – 2″ wide springs.
Pinion shims to help correct pinion angle under spring perches. Made of Billet aluminum.
NOW INCLUDES CENTER PIN LOCATOR BOLTS TO FIT ONTO CALVERT RACING SPLIT MONO LEAFSPRINGS. If you have a multi-springpack, you may need longer bolts.
Also available: 4 degree pinion shims
(0 reviews) -
Accessories
BALLAST BOX (BB1000)
Portable Ballast Box allows you to add up to 100 pounds of extra weight where you need it in your race vehicle.
Calvert Racing ballast weight boxes are made from 11 gauge steel and are TIG welded at the seams. These boxes will hold 100+ lbs. of shot/ballast under its lid, held in place by (4) grade 8 locking flanges. 10″ x 8.5″ x 10″ outside dimensions. Boxes are shipped raw and ready for you to add coating of your choice.
(0 reviews) -
Accessories
U-Bolts, Round/set, 3.5″x7″ clearance (CUR350x70)
CLEARANCE
SET OF FOUR ROUND U-BOLTS w/hardware
fits 3.5″ axle diameter x 7″ long, axle ABOVE springs
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.
(0 reviews) -
Accessories
U-Bolts, Square/set, 2.5″x11.5″ (SQ250x1150)
SET OF FOUR SQUARE U-BOLTS w/hardware
2.5″ axle diameter x 11.5″ long, axle BELOW springs.
Square U-bolts, Grade 5 material, zinc plated, 9/16″ diameter. Set includes 4 U-bolts, plates, nuts and washers.
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 FEQ page or CalTracs Installation Guide for more info.
(SQ300x900 shown)
(0 reviews) -
CalTracs Rear Mounts
CalTracs HD Rear Spring Mount (MT-2504)
SOLD SEPARATELY
Rear Spring Mount for HD Truck CalTracs assembly. Designed for HD Trucks with 4″ diameter axle AND 3″ wide leafspring.
Made with 5/16″ mild steel to withstand the correct torque on your u-bolts and keep your rear-end from moving. Black gloss powder coated for extra durability.
MOUNT FITS LEFT OR RIGHT SIDE.
(0 reviews) -
Accessories
SPRING SHACKLES/set (SHU-300x500A)
Calvert Racing Universal Shackle and Bushing set for vehicles with 1″ Bushing/with Calvert Racing Split Mono Leafsprings
1962 – 1965 Ford Fairlane
This kit includes 1 pair of shackles and a total of 8 polyurethane bushings, 4 for the rear of the spring and 4 for the upper frame above the shackle. These shackles feature a 9/16″ shouldered bolt that necks down to a 3/8″ thread, with the required nuts included.
(0 reviews) -
Accessories
ALUMINUM BUSHING/SET (BK-73B)
2015-2020 Ford F150
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)
(0 reviews)


















