SW4B Trailer Spring – 25-1/4 Double Eye 4-Leaf Spring 1-3/4 Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring) Length from center of spring eye to center of spring eye: 25-1/4 Spring width: 1-3/4, Eye diameter with bushing: 9/16 Leaf Thickness 5/16, Number of leaves: 4 Equivalent to UNA212, UNA-212, SW4B, PR4B, LIB-401-DE, 93184, 9150014, 72-42, 72-042, 4 LEAF, 3500, 25-1/8, 124903 (2PCS) High Quality 60si2mn Steel replacement for Yamaha G29 Shock Springs(Not Include Shock Absorbers And Kit?? Replacement for Yamaha Models G14, G16, G19, G20, G22, G29 Drive Golf Carts??The Shock Spring Perfect For Carts With Rear Seats Or Cargo BoxesAnd Keep Your Cart From Sagging When Weight Is Added Package Include:2 New G29 Rear Shock Springs, 2 New Sets Of Spacer Clamps And Screws nbsp;