Part 041649 Part Number: 041649


1973-1987 Chevrolet GMC Truck Speed Kit 1 Rear Suspension Kit. 3"-4" Drop

The Detroit Speed leaf spring flip kit, c-notch, and drop shocks in our rear Speed Kit 2 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.

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





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