Adjustable Squarebody Engine Crossmember 1973-1987(91) Or Side posts like this

Or Side posts like this

jack up the axle so that some of the weight of the vehicle is on the springs (a couple inches after the springs touch top/bottom)

drill holes in the frame and mount them like a factory squarebody motor mount frame bracket

The rest is reverse of removal

Drill hole in stock shock mount to 5/8"

Adjustable Squarebody Engine Crossmember 1973-1987(91) Or Side posts like thisGet your engine crossmember in the sweet spot for suspension up travel and un matched strength with the Hogback Fab Adjustable Engine Crossmember Applications: 4x4 1973 1987 (also 88 91 some models) GMC Chevy K5, K10, K20, K30 Suburban, Blazer, Jimmy, V1500, V2500, V3500, M1008, M1009 Engines: LS and LT motors, Big block Chevy, Small block Chevy, 6. 5 & 6. 2 Diesel What is the Adjustable Squarebody Engine Crossmember? We offer a super strong, high