Tandem Trailer Axle Suspension Rebuild Kit with Long Equalizers Part Number: SRK-TA-SB-LE This is a kit to change all the "wear parts" on a standard tandem axle trailer (4,000 # GVW up to 14,000# GVW) . This is for standard "Eye to Eye " Springs, not "slipper" springs (bolt on one end of spring only), For standard 1 3/4" wide springs. Kit consist of: 14 - 9/16" x 3" Hardened Shackle Bolts 14- 9/16" locking 9/16" nuts 2 - Center spring pivot equalizers, 7-3/4" bolt to bolt wide. 14 (6 are already installed in the equalizers)- New Nylon Spring Bushings 8 - New Spring Shackle Straps 2.6"