QA1 Lowering Kit - 3 in Front / 6 in Rear - Single Adjustable - GM Fullsize Truck 2007-18 2WD EIBS90-4-20-051-B It features a compact 39mm

It features a compact 39mm diameter that fits most applications and an offset inlet design that eases installation

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QA1 Lowering Kit - 3 in Front / 6 in Rear - Single Adjustable - GM Fullsize Truck 2007-18 2WD EIBS90-4-20-051-B It features a compact 39mmProduct Overview: The QA1 lowering kit is an all in one solution for anyone looking to upgrade the suspension of their 07 18 Silverado 1500 Sierra 1500's. This kit includes both QA1's front Pro Coil Coil Overs and Rear Drop Kit, which provide maximum adjustability to achieve the perfect lowered stance, while providing significant improvements to ride quality and performance. Ride Height AdjustabilityQA1 lowering kits offer easy and precise adjustments