Description

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.

Product Overview

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.

Product Details

Year	Make
Bump Stops Included:	Yes
California Proposition 65:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Color:	Black
Description:	6410 - 1973-1987 GM C10 Flip Kit
Finish:	Powder Coated
Part Number:	umi6410
Shock Extender Included:	No

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	umi6402-B	UMI Performance 73-87 GM C10 Handling and Lowering Kit Stage 2 4.5inF/6inR UMI Shocks - Black (2x bil24-009331, 2x bil24-192941, 1x umi6410, 1x umiCP4S4, 1x umi6452F, 1x umi6411, 1x umi6440-B, 1x umi6443-B)
	umi6402-R	UMI Performance 73-87 GM C10 Handling and Lowering Kit Stage 2 4.5inF/6inR UMI Shocks - Red (2x bil24-009331, 2x bil24-192941, 1x umi6410, 1x umiCP4S4, 1x umi6452F, 1x umi6411, 1x umi6440-R, 1x umi6443-R)
	umi64025-R	UMI Performance 73-87 GM C10 Handling and Lowering Kit Stage 2.5 4.5in F/6in R Viking Shocks - Red (1x umi6410, 1x umiCP4S4, 1x umi6452F, 2x umiB215, 2x umiB274, 2x umi6494, 2x umi6493, 1x umi6411, 1x umi6440-R, 1x umi6443-R)
	umi64025-B	UMI Performance 73-87 GM C10 Handling and Lowering Kit Stage 2.5 4.5in F/6in R Viking Shocks - Black (1x umi6410, 1x umiCP4S4, 1x umi6452F, 2x umiB215, 2x umiB274, 2x umi6494, 2x umi6493, 1x umi6411, 1x umi6440-B, 1x umi6443-B)
	umi6400	UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) (1x umi6410, 1x umiCP4S4, 1x umi6452F)
	umi6400-1	UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocks (2x bil24-009331, 2x bil24-192941, 1x umi6410, 1x umiCP4S4, 1x umi6452F, 1x umi6411)

Data: v4.2 - Upd: 2026-10-10 19:18:59

Specifications

Year

Make

Bump Stops Included:

Yes

California Proposition 65:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Color:

Black

Description:

6410 - 1973-1987 GM C10 Flip Kit

Finish:

Powder Coated

Part Number:

umi6410

Shock Extender Included:

No

Compatibility