1999-06 Chevy GMC 1/2 Ton Truck Front Drop Coil Springs 2 Single Cab Chevrolet. Will lower the front 2 on Single Cabs Trucks. NOTE: Theses coil springs were engineered for a truck with a V-8 Engine. If coils are installed on a 6 cylinder truck then the full drop will not be achieved and the rear will sit lower than the front. Please wait for us to send you a combined invoice before paying. We are Gearhead Enterprises – a national street rod parts supply company. Parts are added to our store weekly so check often for the latest deals! Plus, we have access to thousands of parts that are not listed. We get hundreds of emails daily so at times it may take us up to 72 hours to respond to your emails. Get Auctiva’s Listing Templates on your items with a few clicks. Attention Sellers – Get Templates Image Hosting, Scheduling at Auctiva. Com. Track Page Views With. Auctiva’s FREE Counter.