ABF407-1 - 1965-1966 GM A-Body Handling Kit- Stage 4, 1" Lowering SpringsFor 19651966 A bodies, UMIs Stage 4 Kit delivers the ultimate blend of performance, comfort, and reliability in a single bolt on package. The front suspension boasts tubular upper and lower A arms with taller ball joints for optimized camber, Delrin bushings for seamless movement, Viking hybrid coilovers offering 361 valving choices, and a CNC bent 1. 250 inch chromoly sway bar for flat cornering. The rear complements this setup with adjustable