1973-1987 Chevrolet GMC Truck Speed Kit 1 Rear Suspension Kit. 5"-6" Drop

The Detroit Speed Square Body C10 rear Speed Kit 3 components are designed to lower the ride height of your 1973-87 GM C10 Square Body truck.

Leaf Spring Flip Kit

The Detroit Speed leaf spring flip kit is designed to lower the ride height of your 1973-87 GM C10 Square Body truck. The flip kit axle pad and plate are manufactured from high quality 1/4” thick steel and powder coated black for durability. Detroit Speed has designed this kit with two leaf spring pin hole locations in the axle pad to have adjustability in centering up your rear axle. There are new U-bolts and hardware are included in this kit and are electroplated to help against corrosion.

C-Notch Kit
The Detroit Speed leaf spring frame notch bracket kit is designed to give you rear axle to frame rail clearance when dropping the ride height of your 1973-87 GM C10 Square Body truck. This kit is required when installing the Detroit Speed Flip Kit (P/N: 040116). The frame notch brackets are manufactured from high quality 3/16” thick steel and powder coated black for durability. All mounting hardware and bump stops are included in this kit.

Drop Hangers

The Detroit Speed leaf spring front drop hangers are designed to lower the ride height of your 1973-87 GM C10 Square Body truck. They are manufactured from high quality 1/4” thick steel and powder coated black for durability. Detroit Speed has designed this hanger with two leaf spring mounting options that are one inch apart to give you more adjustability in the stance of your truck. All mounting hardware is included in this kit.

Rear Drop Shackles

The Detroit Speed leaf spring rear drop shackles are designed to lower the ride height of your 1973-87 GM C10 Square Body truck. They are manufactured from high quality 1/4” thick steel and powder coated black for durability. Detroit Speed has designed this shackle with two leaf spring mounting options that are one inch apart to give you more adjustability in the stance of your truck.

Note: This C-Notch is designed to work with the Speed Kits ONLY and will NOT fit our QUADRALink kit.