# UMI Performance 73-87 GM C10 Flip Kit

The UMI Performance P/N 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 ¼” plate steel clamped by extra heavy duty U-bolts. Kit comes complete with brackets, stand-offs, U-bolts and polyurethane bump stops. Gloss black powder coat. 100% Made In Philipsburg, PA – USA.

This Part Fits:

Year

Make

Model

Submodel

1978-1980

Chevrolet

C10

Big Ten

1975-1981

Chevrolet

C10

Cheyenne

1981-1986

Chevrolet

C10

Custom

1975-1980

Chevrolet

C10

Custom Deluxe

1981

Chevrolet

C10

Deluxe

1975-1986

Chevrolet

C10

Scottsdale

1975-1986

Chevrolet

C10

Silverado

1973-1974

Chevrolet

C10 Pickup

Base

1987

Chevrolet

R10

Custom Deluxe

1987

Chevrolet

R10

Scottsdale

1987

Chevrolet

R10

Silverado

1975-1978

GMC

C15

Base

1977-1978

GMC

C15

Heavy Half

1975-1978

GMC

C15

High Sierra

1977

GMC

C15

Indy Hauler

1975-1978

GMC

C15

Sierra Classic

1975-1978

GMC

C15

Sierra Grande

1978

GMC

C15

Street Coupe

1973-1974

GMC

C15/C1500 Pickup

Base

1979-1986

GMC

C1500

Base

1979-1980

GMC

C1500

Heavy Half

1979-1986

GMC

C1500

High Sierra

1979-1986

GMC

C1500

Sierra Classic

1979-1982

GMC

C1500

Sierra Grande

1979-1982

GMC

C1500

Street Coupe

1987

GMC

R1500

Base

1987

GMC

R1500

High Sierra

1987

GMC

R1500

Sierra Classic

## Details

- **Price:** 228.98 CAD
- **Vendor:** UMI Performance
- **Type:** Hardware Kits - Other

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 228.98 CAD | In stock |

## Images

- Photo - Primary
- User 1

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/umi-performance-73-87-gm-c10-flip-kit)
> Updated: 2026-07-01