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 11″ 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)
Built for Mopar A-Body.
Sold as a pair.
(SR-40 shown)
FLIP CONVERSION KIT for 1500 SERIES TRUCKS (for CalTracs)
1967-2019 Chevrolet Silverado and GMC Sierra Trucks
Basic FLIP CONVERSION KIT for 1500 Series Trucks with CalTracs* and a 3.25″ axle tube and 2.5″ wide spring* already installed.
Includes: Two Rear Mounts, Two patented Calvert Heavy Duty Perches, and set of Four U-Bolts with hardware.
A flip kit moves the axle from beneath the leaf spring to on top of the leaf spring, which lowers the truck.
ALSO AVAILABLE: Flip kit for 3″ axle tube and 2.5″ wide spring, part #FLP-3134
*THIS CONVERSION KIT DOES NOT INCLUDE CALTRACS.