67-72 GM front suspension shackle hanger with HD shackles 1999-2019 GM A lift spring uses a

A lift spring uses a higher spring rate resulting in a stiff lumber wagon ride

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One kit does one complete axle (Passenger and Drivers Hub)

HOG TIP: Want a stronger shackle hanger for your 4x4 conversion

then sequentially tighten the bolts down

67-72 GM front suspension shackle hanger with HD shackles 1999-2019 GM A lift spring uses aReplace and improve those stock shackle hangers with a set of these beefy ones! Applications 1967 1972 GM pickup and SUV. What is the front shackle hanger? On a truck that uses leaf springs for the front suspension there are two points where the spring is connected to the frame, a fixed point and a pivoting point with a shackle. On these trucks the fixed point is at the front of the spring (by the bumper) and the shackle point is at the rear of the