Switch Suspension 2150 W. Broadway Rd. #102 Mesa, Az 85202
Phone: 800-928-1984
Hours: 8am-5pm Monday thru Friday

GMC C-20/C-30 1973-1991 2/4 Drop Kit


Product Overview


Fits: Chevrolet & GMC C-20, C-30 1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987 and C-30 Dually Only 1988,1989,1990,1991

- Front 2" Drop Coils, Hardware 

- Rear 4"Shackle and Hanger

- Notes: Fits 8 lug 2wd only, Squarebody Style Only, 28" Recommended Front Tire Size, Big Block Trucks Typically Will Get 1/2" More Drop In The Front, If You Are Unsure What Caliper Style Or Rear Axle You Have Contact Us Prior To Purchase We Are Happy To Help, See Pic In Listing For Reference

If your shock is mounted outside the frame rail THIS KIT WILL NOT WORK. See pic for reference.

Brand (Manufacturer) Info 

Since 1981, Western Chassis has been manufacturing high-quality suspension components and providing sports truck enthusiasts with premium applications for vehicle models from the 1960s to the present-day SUVs and trucks. The company also developed the first automotive drop spindle.

Western Chassis lives by its mission of providing top-quality suspension components at reasonable prices.

Warranty Information

All merchandise sold by Western Chassis Inc. is fully guaranteed against defects in material or workmanship by the respective manufacturers. Limited lifetime warranty covers original purchaser for life of product. Replacement will be limited to non-wear type parts & does not include labor claims of any type. If a manufacturer’s warranty is free from defects we will exchange only. If the item has been used and you are requesting warranty work, this may take up to 30 days as warranty work is done by the manufacturer NOT Western Chassis. If you have any questions, please contact customer service. Any product that is manufactured by Western Chassis Inc is covered by our Limited lifetime warranty. If you do have a warranty claim please contact customer service to initiate the process. We will usually require the customer to ship the product back to our warehouse where we can inspect the product. When we receive the product, we will inspect the parts. If the product can be repaired, we will restore it to factory specs, otherwise if a replacement is required, we will issue a replacement. Customer is responsible for all shipping fees for warranty claims.


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