The UMI Performance 6410 flip kit lowers the rear of the 1973-1987 GM C10 truck six inches by relocating the axle above the leaf spring. The saddle bracket moves the axle rearward to keep the wheel centered in the wheel well. The lower leaf plate is seriously strong and features laser cut 1/4 inch plate steel clamped by extra heavy duty U-bolts. The kit comes complete with brackets, stand-offs, U-bolts and polyurethane bump stops, finished in gloss black powder coat. This part is made in the USA in Philipsburg, PA.
Specifications:
- Rear axle flip kit, lowers the rear six inches
- Relocates the axle above the leaf spring
- Saddle bracket moves the axle rearward to center the wheel
- Laser cut 1/4 inch plate steel lower leaf plate
- Extra heavy duty U-bolts
- Includes brackets, stand-offs, U-bolts and polyurethane bump stops
- Gloss black powder coat finish
- Made in the USA
- Part number: 6410
Vehicle Applications:
- 1975 Chevrolet C10
- 1976 Chevrolet C10
- 1977 Chevrolet C10
- 1978 Chevrolet C10
- 1979 Chevrolet C10
- 1980 Chevrolet C10
- 1981 Chevrolet C10
- 1982 Chevrolet C10
- 1983 Chevrolet C10
- 1984 Chevrolet C10
- 1985 Chevrolet C10
- 1986 Chevrolet C10
- 1973 Chevrolet C10 Pickup
- 1974 Chevrolet C10 Pickup
- 1987 Chevrolet R10
- 1975 GMC C15
- 1976 GMC C15
- 1977 GMC C15
- 1978 GMC C15
- 1973 GMC C15/C1500 Pickup
- 1974 GMC C15/C1500 Pickup
- 1979 GMC C1500
- 1980 GMC C1500
- 1981 GMC C1500
- 1982 GMC C1500
- 1983 GMC C1500
- 1984 GMC C1500
- 1985 GMC C1500
- 1986 GMC C1500
- 1987 GMC R1500
FAQ
What vehicles does the 6410 flip kit fit?
It fits the 1973-1987 GM C10 and C1500 trucks, covering the Chevrolet C10 and R10 and the GMC C15, C1500 and R1500. The full year and model list is shown in the Vehicle Applications section above.
How much does the flip kit lower the truck?
It lowers the rear of the truck six inches by relocating the axle above the leaf spring.
How does it keep the wheel centered in the wheel well?
The saddle bracket moves the axle rearward, which keeps the wheel centered in the wheel well after the drop.
What is included in the kit?
The kit comes complete with brackets, stand-offs, extra heavy duty U-bolts and polyurethane bump stops. The lower leaf plate is laser cut from 1/4 inch plate steel.
Where is the 6410 flip kit made?
It is made in the USA in Philipsburg, PA.

