4033-1 - 1964-1972 A-Body Tubular Front Upper A-arms, ½” Taller Ball Joints 2014 chevrolet corvette Full-synthetic with PAO and Ester

Full-synthetic with PAO and Ester base stocks and 2200 ppm of ZDDP for anti wear

Installation takes approximately 30 minutes at factory mounting points using OEM hardware

Designed to eliminate carbon build up on valves

Compatible with common coilover spring sizes: 2

The UMI polyurethane bushings replace the two upper control arm rear end differential bushings – the bushings that stay attached to the rear end “ears”

4033-1 - 1964-1972 A-Body Tubular Front Upper A-arms, ½” Taller Ball Joints 2014 chevrolet corvette Full-synthetic with PAO and EsterNote: The UMI 4033 upper a arm is designed to work with factory height or lowered cars. We do not recommend using the 4033 with cargo coils or above stock height cars, as the bump stop may contact the cross brace.