Prothane 59-64 GM Full Size Rear Upper Control Arm Bushings (for Single Upper) - Black Suspension>Shocks and Struts The turndown style tipless exit

The turndown style tipless exit improves departure angles

providing over 3” of increased clearance compared to the factory exhaust while featuring a

They are made from solid one-piece bil

plus it delivers on those performance gains without the need for additional and expensive engine tuners

the feedback was gearbox fatigue and sluggish shifting with transmission temperatures overheating under prolonged or hard use

Prothane 59-64 GM Full Size Rear Upper Control Arm Bushings (for Single Upper) - Black Suspension>Shocks and Struts The turndown style tipless exitProthane 59 64 GM Full Size Rear Upper Control Arm Bushings (for Single Upper) Black