73-91 C30 Dually Chassis

1973 to 1991 C30 Dually Chassis MODERNIZE THE WAY YOUR CLASSIC TRUCK HANDLES WITH SUPERIOR STRENGTH AND RIDE QUALITY. HAND FABRICATED, FULLY WELDED CHASSIS. GSI's C30 Dually Air Ride Chassis is engineered with optimized suspension geometry to minimize camber movement throughout the suspension travel & eliminate bump steer. Our lower control arm alignment cams allow for quick & easy suspension alignment. Our tie rod adapter kit works with the suspension to eliminate bump steer and make adjustment easy. The rear is designed to accommodate most dually wheel set ups. The GSI '73-91 C30 Dually Chassis has been designed and developed using the latest technology available in manufacturing. Laser scanning a factory chassis is the best way to achieve proper fitment of all aftermarket chassis components. Our chassis is MIG and TIG welded by professional fabricators. We use the highest quality Amada CNC Laser and CNC press brake machines ensure all parts will fit together at the welding bench and during installation. We also combine a full in house CNC Machine shop to enable us to manufacture every piece to our strict quality standards. Chassis come fully welded, pre-assembled to qualify fitment, then prepared for shipping. INCLUDED COMPONENTS ON THE '73-91 CHASSIS: Front Airlift D2600 Airbags Rear Airlift D2600 Airbags Boxed sheet metal Upper and Lower Control Arms GSI Billet Tie Rod Adapter Kit Chassis Stiffener Billet Watt’s Link Four-Link Notch & Bridge Frame Rails Shocks Upper and Lower Ball Joints Carrier Bearing Mount Mustang II Steering Rack (Aftermarket premium Flaming River steering rack option available) SB Engine Mounts (LS, LT, and Big Block engine mounts available for purchase) The chassis will ship via Freight in a Shipping Crate REQUEST A QUOTE (CHASSIS CAN BE LOADED UP WITH FUEL TANK, BED RAISE KIT, AXLE PACKAGE, AFTERMARKET BRAKE KIT, AIR MANAGEMENT, WHEELS & TIRES PACKAGES) p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 22.0px; font: 16.0px Arial; color: #000000; -webkit-text-stroke: #000000} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 14.0px; font: 12.0px Times; color: #000000; -webkit-text-stroke: #000000; min-height: 14.0px} span.s1 {font-kerning: none} *CURRENT LEAD TIME 22-26 WKS* Lead times are estimated and can change without notice, to check the current lead time please contact the shop at 480-940-1806. REQUEST A QUOTE (CHASSIS CAN BE LOADED UP WITH FUEL TANK, BED RAISE KIT, AXLE PACKAGE, AFTERMARKET BRAKE KIT, AIR MANAGEMENT, WHEELS & TIRES PACKAGE)

At GSI Machine & Fabrication, we offer a one-year warranty on all manufactured parts, covering defects upon inspection. However, we are not liable for personal or property damages resulting from misuse of our products. Note that warranties for non-manufactured parts, such as shocks or ball joints, must be handled directly with the part’s manufacturer.

Orders may be canceled before shipment, except for special-order and custom items, such as chassis products and air ride suspension. Refunds for eligible returned items will exclude shipping costs and may incur additional fees. For cancellations or issues with orders, contact our customer support at 1 (877) 951-1890 or sales@gsimfab.com.

Customers are responsible for all customs fees, duties, and taxes on international orders. Once your package is shipped, we are not liable for damage, theft, or loss during transit. Please inspect your delivery promptly and report any issues within 48 hours. For international shipments, local policies may cause delays, and additional documentation may be required. Always ensure shipping details are accurate to avoid additional costs.