Skyjacker 2.5"SYS 73-87 1/2T SUB 52"

Build a Balanced Classic GM Suspension System

Skyjacker C125AKSS-M is a 2.5 inch suspension lift system for GM half ton Suburban applications with 52 inch rear springs. It combines application matched suspension geometry with durable components for street, towing, and off road use while maintaining predictable control.

Key Features

• Matched 2.5 inch front and rear Softride leaf springs for the C125AKSS-M package
• Progressive multileaf spring design for controlled ride quality
• Front and rear U bolt kits with suspension bushings
• Shock configuration: M95 performance shocks
• Designed to improve ground clearance and accommodate larger tires
• Limited lifetime manufacturer warranty

Fitment

Specifications

What's Included

• Matched front leaf springs
• Matched rear leaf springs
• Front and rear U bolt kits
• Suspension bushing kit
• M95 performance shocks
• Application matched components for C125AKSS-M

About Skyjacker

Skyjacker has engineered suspension systems in West Monroe, Louisiana since 1970. The C125AKSS-M application reflects the brand's focus on vehicle specific spring geometry, controlled ride quality, and durable components backed by a limited lifetime warranty.

Related Parts

• Skyjacker 2.5"SYS 73-87 1/2T SUB 52"
• Skyjacker Leaf Spring 1987-1988 Chevrolet V20 Suburban
• Skyjacker 2"KEY KT,88-06GMC,6LG,HYDRO

FAQ

It is a 2.5 inch suspension lift system for GM half ton Suburban applications with 52 inch rear springs. The package is engineered as an application matched Skyjacker suspension solution for controlled ride height, clearance, and handling.

The system is designed for approximately 2.5 inches of suspension lift on supported classic Chevrolet and GMC applications.

Yes. The system includes matched front and rear Softride leaf springs.

The listed shock configuration is m95 performance shocks. Confirm the selected package before ordering.

Yes. Front and rear U bolt kits and the required suspension bushings are included.

Yes. Suburban applications in this family are specifically identified for vehicles equipped with 52 inch rear springs.

Some applications require a compatible steering correction component that is not included. Verify the complete application instructions before installation.

The added clearance can support larger tires, but actual fit depends on wheel offset, tire width, body clearance, and steering travel.

Install Instructions

1. Confirm C125AKSS-M matches the vehicle and complete suspension configuration before disassembly.
2. Raise and securely support the frame and axles according to the factory service procedure.
3. Remove the original shocks, U bolts, springs, and related hardware one axle at a time.
4. Install the supplied bushings and position the front and rear springs in the correct orientation.
5. Install the axles with the supplied U bolts and tighten the hardware evenly.
6. Install the selected shocks when included and verify brake line, driveshaft, steering, and exhaust clearance.
7. Lower the vehicle to normal ride height before final tightening of pivot hardware.
8. Perform a professional alignment and retorque the U bolts after the initial break in mileage.

Prop 65 Warning

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.