UMI Performance Control Arm Kit - Lower/Upper - Polyurethane / Aluminum Bushings - Black - GM B-Body 1978-96 57700BK Three sides have a 1"

Three sides have a 1" lip to keep the transmission in place and a front opening for sliding the transmission on and off the engine dowel pins

Machined Rib Accent

9/16-18 in Female Right Hand Thread

1960-1974 Buick LeSabre

UMI Performance Control Arm Kit - Lower/Upper - Polyurethane / Aluminum Bushings - Black - GM B-Body 1978-96 57700BK Three sides have a 1"UMI's 2nd Generation F Body a arms are perfect for the F Body enthusiast seeking to improve the performance and appearance of their front suspension. This kit features caster relocation of both the upper and lower ball joints to enhance steering feel and improve high speed stability. As designed, the caster range is 5 7 degrees. The spindle pin location remains unchanged so fender clearance is like stock. The upper a arms include CrMo offset cross