SuperSprings SSR-128-47-2 SumoSprings Fits F-250 Super Duty F-350 Super Duty The Roll-N-Lock M-SERIES XT combines

The Roll-N-Lock M-SERIES XT combines the M-Series retractable truck bed cover with our T-slot integrated MaxTrak System that allows for unique customization to your truck bed to meet your individual needs

Shock Stroke: 13

Front Retainer

Made with PIAA's patented silicone-infused rubber

detailed installation instructions

SuperSprings SSR-128-47-2 SumoSprings Fits F-250 Super Duty F-350 Super Duty The Roll-N-Lock M-SERIES XT combinesAir Helper Spring SumoSprings SumoSprings; Solo Kits Are Replacements To Factory Bump Stops; Capacity 4600 lbs. At 50 Percent Compression; Do Not Exceed GVWR; SPECIFICATIONS: Max Load: 4600 lbs. FEATURES: Sold as a pair left and right Requires no maintenance; Proudly made in the U. S. A. Enhances Load Carrying Ability 4600 Pounds Capacity At 50 Percent Compression Reduces And Stabilizes Sway Improves Overall Driver Control And Ride Comfort Compress Up