Description

UMI’s 2″ front lowering spring kit features high quality construction and a medium firm 900 lb/in spring rating. UMI springs are suitable for daily driving, back road corner carving and even occasional parts hauling. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.

Product Overview

UMI’s 2″ front lowering spring kit features high quality construction and a medium firm 900 lb/in spring rating. UMI springs are suitable for daily driving, back road corner carving and even occasional parts hauling. They have a tough black powder coat finish and UMI proudly manufactures these premium quality springs in the USA.

Product Details

Year	Make
California Proposition 65:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Color:	Black
Description:	6452F - 1973-1987 GM C10 Front Lowering Springs, 2″ drop
Finish:	Black Powdercoated
Part Number:	umi6452F
Suspension Grade Type:	Performance

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: 2026-09-30 16:54:13

Specifications

Year

Make

California Proposition 65:

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

Color:

Black

Description:

6452F - 1973-1987 GM C10 Front Lowering Springs, 2″ drop

Finish:

Black Powdercoated

Part Number:

umi6452F

Suspension Grade Type:

Performance

Compatibility