Off Road Unlimited 60013 2001-08 GM 2500-3500 HD 4WD 4-Link Coil-Over w/Solid Axle Conversion Kit - Manual (Page 17)

ORU- GM 4 Link Coil-Over Conversion Kit #60013
12) Mark location of rear mounting hole for shock hoop. Remove hoop and drill ½” hole through frame.
Enlarge outside frame hole only to ¾”. Re-install hoop using ¾” O.D. sleeve in frame and ½" x 3-1/2" bolt
with thick ½" washer on inside of frame at rear mount. Tighten all hardware (photos 12 & 13).
Photo 12
Photo 13
13) Repeat steps # 4 through 12 on passenger side of vehicle.
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