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Brand: Timbren
REAR SES 7786 CHEV K30 7986 GMC K3500
Rear SES Suspension Enhancement System for 1977–1986 Chevrolet K30 and 1979–1986 GMC K3500
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REAR SES 7786 CHEV K30 7986 GMC K3500
Upgrade your truck's load-carrying performance with the Rear SES Suspension Enhancement System for 1977–1986 Chevrolet K30 and 1979–1986 GMC K3500. Designed to provide superior rear suspension support, this SES (Suspension Enhancement System) helps reduce rear-end sag, improve vehicle stability, and deliver a smoother, more controlled ride when hauling heavy cargo or towing trailers.
Whether you're using your truck for commercial work, farming, off-road adventures, or recreational towing, this rear suspension enhancement system offers dependable support without compromising everyday driving comfort. The advanced microcellular urethane springs engage progressively as the load increases, helping maintain proper ride height while reducing excessive suspension movement.
Unlike traditional air helper springs, this maintenance-free system requires no air lines, compressors, or pressure adjustments. Once installed, it works automatically to improve load control, reduce sway, minimize bottoming out, and increase overall driving confidence. Built from high-quality, durable materials, it is designed to withstand demanding road conditions and provide years of reliable performance.
Compatible with select 1977–1986 Chevrolet K30 and 1979–1986 GMC K3500 models, this rear SES kit is an excellent solution for truck owners seeking improved suspension performance, enhanced towing stability, and better control under heavy loads.
Key Features
Specifications
- Length
- 9.5 lb
- Width
- 7.0 lb
- Height
- 5.5 lb
- Weight
- 8.0 lb
- ASIN
- B004UR37MC
- UPC
- 809933001890
- Ships From
- United States
- Brand
- Timbren
Frequently Asked Questions
About REAR SES 7786 CHEV K30 7986 GMC K3500
01 Will this fit all Chevrolet K30 and GMC K3500 trucks?
This Rear SES kit is designed for select 1977–1986 Chevrolet K30 and 1979–1986 GMC K3500 models. Always verify your vehicle's year, configuration, and compatibility before purchasing.
02 Does this system require air pressure or a compressor?
No. The SES Suspension Enhancement System is completely maintenance-free and does not require air bags, compressors, airlines, or pressure adjustments.
03 Will this improve towing and hauling performance?
Yes. The system helps reduce rear-end sag, minimizes sway and bottoming out, improves vehicle stability, and provides better control while towing trailers or carrying heavy loads, resulting in a safer and more comfortable driving experience.
04 What is the ASIN for this product?
The ASIN for this product is B004UR37MC.
05 What is the UPC / barcode for this product?
The UPC/barcode for this product is 809933001890.
06 Where does this ship from?
Orders ship from our fulfillment center in Dover, Delaware, USA.
07 How many days will it take to arrive?
Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Aug 28.
08 Does this product accept returns?
Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.

