Seller notes

73-87 C20 C30 Bolt On 4 Link with a cantilever set up for the airbag. All brackets are 1/4". The bars on the 4 link are 1.625"X .15 wall thickness. The bars for the cantilever are 1/4" wall. Look at the last picture and confirm that your hanger has the same bolt pattern. Otherwise, it will not bolt up. It's 100% bolt on. The only thing you have to do is trim the axle perch a bit for clearance. Made to use a 14 bolt axle. Due to the placement of an airbag, you can not run standard 22" alcoa semi ...

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