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Replacement Fastener Kit for Ball Joint Installation.
Bolts, washers, and locknuts are grade 8.
Notes about Bolt Size:
Over the years, AM General has upgraded the ball joints and the fasteners.
Current production vehicles use 3/8" fasteners for upper ball joints, and 7/16" fasteners for lower ball joints.
It is best to replace fasteners with the same size as currently installed. The following list relates wrench size to bolt size.
1/2" wrench -> 5/16" bolt
9/16" wrench -> 3/8" bolt
5/8" wrench (bolt) or 11/16" wrench (nut) -> 7/16" bolt
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Last Update: June 1, 2017