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.
If you have any questions, please call Calvert Racing at 661-728-9600, Monday – Friday, 8:00am-4:30pm, PST.
$130.00
In Stock
SET OF FOUR SQUARE U-BOLTS w/hardware
3″ axle diameter x 9″ long, axle BELOW springs.
Square U-bolts, Grade 5 material, zinc plated, 5/16″ diameter. Set includes 4 U-bolts, plates, nuts and washers.
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 FEQ page or CalTracs Installation Guide for more info.
(SQ300x900 shown)
SET OF FOUR SQUARE U-BOLTS w/hardware
3″ axle diameter x 13.5″ long, axle BELOW springs.
Square U-bolts, Grade 5 material, zinc plated, 9/16″ diameter. Set includes 4 U-bolts, plates, nuts and washers.
SQUARE U-BOLTS (spring OVER axle): 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 CalTracs Installation Guide for more info.
(SQ300x900 shown)
SET OF FOUR SQUARE U-BOLTS w/hardware
2.5″ axle diameter x 9″ long, axle BELOW springs.
Square U-bolts, Grade 5 material, zinc plated, 5/16″ 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)
SET OF FOUR ROUND U-BOLTS w/hardware
3″ axle 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)