More needed caster?

Ricks70Duster340 said

Those UCA's are advertised with delrin bushings. I thought delrin were self lubricating so why have zerk fittings like poly's need?

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Because SPC sells the UCA’s with poly bushings. @BergmanAutoCraft adds the delrin bushings.

Doesn’t hurt anything anyway. Being able to add grease if necessary isn’t a bad thing.