U-Bolt Kits

MADE IN THE U.S.A. For 1 3/4" round axle, bolt length 4.29", 3/8" diameter, for 1 3/4" spring.  Commonly used on 2,000 lbs. 1 3/4" round trailer axle using an SW2 trailer leaf sprin

MADE IN THE U.S.A. For 2 3/8" round axle, bolt length 5 1/2", 1/2" diameter, for 1 3/4".  Commonly used on a 3,500 lbs. 2 3/8" round trailer axle using a SW2, SW3, SW4, or SW4B trai

MADE IN THE U.S.A.   For 2 3/8" round axle, bolt length 6 1/4", 1/2" diameter, for 1 3/4".  Commonly used on a 3,500 lbs. 2 3/8" round trailer axle using a SW5 trailer leaf spr

MADE IN THE U.S.A. For 3" round axle, bolt length 7", 9/16" diameter, for 1 3/4" or 2" spring, 3" thread length.  Commonly used on a 5,200 lbs. to 7,000 lbs. 3" round trailer ax

MADE IN THE U.S.A. For 3 1/2" round axle, bolt length 8", 9/16" diameter, for 2" spring.  Commonly used on a 8,000 lbs. 3.5" round trailer axle using a E5115 trailer leaf spring