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All Jeep CJ series vehicles use the same basic suspension design; solid axles front and rear suspended by leaf springs positioned below the axles. Black Diamond is world renown for Jeep lift systems, due in no small part to our leaf spring designs. Black Diamond springs have soft spring rates that give you full suspension articulation and unbeatable ride quality. The individual leaf plate ends are tapered, and anti-friction pads positioned at the leaf tips where friction is greatest. The springs also feature double-wrapped eyes (military wraps) for exceptional durability and increased safety.

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3" Black Diamond® Lift System

Two design elements are specifically incorporated to reduce spring stress. First, the tension side of each leaf plate is shot-peened. Secondly, the springs feature a relatively flat seat (where the spring mates to the axle), so the spring pack is not "fighting" the clamping force generated by the U-bolts. Reducing stress extends life... it's not just for humans anymore.

1941 to 1975 models use press-fit, steel encased rubber spring eye bushings; they work best on these applications. Polyurethane spring eye bushings are used on all other models. New U-bolts with self-locking hardware are provided. We recommend our dropped pitman arm for 1976 to 1986 models. We also offer steering stabilizers, 1", 2" and 3" body lifts, adda- leaf kits, extended-length Department of Transportation (DOT) approved rubber brake hoses, replacement polyurethane bushing kits and AT Shock Absorbers.

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