Hy pipeliner78, okay these parts are all made by Euclid, and I couldn't price them because Rock Auto doesn't seem to carry Euclid
return spring set [enough for the whole axle] p/n E-4023 replaces o.e.m.341520
hold down kit [enough for one wheel, may include return springs for one wheel] p/n E-4121
automatic adjuster kit RH [enough for one wheel] p/n E-4122 RH
automatic adjuster kit LH [enough for one wheel} p/n E-4123 LH
hope that helps.