QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 100 lb. 6100BK Rear Floor Kits All panels

Rear Floor Kits All panels are oversized to fit frame rails widths from 20 to 32

1983-1996 Ford E-250 Econoline

Retains GM factory axle pipes with AFM valves Requires Factory GM NPP Valve Module for Installation

2018-2020 Ford Expedition Max SSV

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 100 lb. 6100BK Rear Floor Kits All panelsPowder Coated, Chrome Appearing Silicon Manganese SteelAll QA1 springs are manufactured using the highest quality chrome silicone. This material offers high strength, consistency and longer life. Cold Wound Heat Treated Shot PeenedAll QA1 springs go through intensive manufacturing processes to ensure consistency, accuracy and durability. Squared EndsAll QA1 springs are ground at both ends to ensure straight, consistent and accurate operation.