Front - 4 Inch Wide Or Two Leaf Springs - Conventional Shackle (With Rear Eye)
Models with conventional shackle (with rear spring eye) - Single leaf with safety wrap or two leaf
12,000 Lb and 13,300 Lb GAWR only
Half leaf is for safety in case of eye failure - Only on front end of spring
These spring groups (1 1/2 and 2 leaf) are identical except for capacity, bushings and wedge
Except where noted all springs have 2 1/4 inch eyes
Except where noted all springs using RNK bushings have reducing sleeves for the bushings
Due to stopping distance regulations, most vehicles built after 7/31/2012 use the 2 leaf springs