1970-72 Legacy Series Chevelle Unibody Chassis by Roadster Shop

Developed in an exclusive collaboration between Ironworks and Roadster Shop, the "UNIBODY" Chassis is the ultimate foundation for your 1970-72 Chevy Chevelle. This cutting-edge design eliminates the need for extensive fabrication while delivering modern performance, enhanced fitment, and maximum interior space. Only available through Ironworks, this chassis is engineered for those who demand the best. Key Features: Narrowed track width IRS for improved handling and wider tire fitment. GM ZL1 rear differential for quieter operation compared to a Ford 9". Enhanced ground clearance for better drivability and stance. Maximized interior room for added comfort and customization. Integrated mini tubs for larger wheels and tires. Integrated fuel tank for a seamless, factory-like installation. Integrated transmission tunnel designed for a 10-speed automatic or T56 manual. Weld-in design that directly integrates into the inner rocker, outer quarter panel drops, and rear apron, saving 10-12 week