UMI Performance 1967-1972 GM A-Body 1" Lowering Spring Kit Trailing Arm May Require Modification For Roller

May Require Modification For Roller Rockers

03 in Thick

locks (see drawing)

Dodge: Challenger 09 - 19 5

DMI utilizes state of the art machining centers including a brand new Mori-Seiki ZT2500Y Twin spindle/Twin turret with live tooling Machining Center

UMI Performance 1967-1972 GM A-Body 1" Lowering Spring Kit Trailing Arm May Require Modification For RollerA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb in rate. The linear rate provides consistent handling