QA1 Lowering Kit - 3 in Front / 6 in Rear - Double Adjustable - GM Fullsize Truck 2007-18 2WD 4704323-20- M Closed bottom allows for wall

Closed bottom allows for wall storage

Handmade in the USA

22 mm Center Thread

1975-1976 Pontiac Firebird CID 455

Shell Made with 100% DuPont™ Kevlar®

QA1 Lowering Kit - 3 in Front / 6 in Rear - Double Adjustable - GM Fullsize Truck 2007-18 2WD 4704323-20- M Closed bottom allows for wallProduct 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