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
DISCONTINUED. SEE PART # FLP-3130
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″ 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-3132
*THIS CONVERSION KIT DOES NOT INCLUDE CALTRACS.
SPRING PERCHES FOR 2.75″ AXLE TUBE
Set of (2) Two Perches. Fully enclosed for added strength, pedestal tabs ensure heat penetration when welded to housing. Perch extends to center line of axle tube for more surface area. Precision laser cut. Requires welding to axle, see graphic for info.
Check out the comparison graphic to see how Calvert’s patented Heavy Duty Perches compare to other manufacturer’s stock perches.
Patented HD Axle Perches. Universal design fits nearly every application. Available to fit the most common axle tube diameters; 2.25″, 2.5″, 2.75″, 3″, 3.25″ and 3.5″
WELDING ONTO AXLE: Pinion angle recommendation is -2 to -4 degrees when used with CalTracs. NOTE: This is the angle of the pinion in relation to the angle of the output shaft of the transmission, NOT the driveshaft. Add the angle of the pinion yoke to the angle of the output shaft with the vehicle sitting at rest with weight on the tires.
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.
TIE DOWN BRACKETS – SET OF TWO, 45 degree angle
One of the little annoyances many racers have is finding a place on their race car to tie it down onto a trailer or hauler without damaging the car and having to crawl under to find a spot for a strap/hook to load/unload/load again after a long day racing….
IF YOU HAVE CALTRACS, YOU HAVE TIE DOWN POINTS!
Secure your vehicle to a trailer or hauler with EASY TO INSTALL/EASY TO ACCESS Tie Down Brackets. Designed to bolt onto your CalTracs Mounts and LEAVE ON without affecting performance. Can be used in different configurations, depending on your needs.
1/4″ Zinc-Plated Steel, 45 degree angle. Overall size: 5-1/8″ x 4″; Hole is 1-3/8″ diameter. Manufactured in USA by Calvert Racing.