New front springs front plate question

[thecrow71]

I’m getting new springs for my 85 square body K20 Suburban there’s a little plastic isolator between the spring and the U-bolt plate. one does it have to be there and two if it does what’s that piece called so I can look it up to buy one thank you

 

[MarineOne]

Not needed

 

[SquareRoot]

^^^. Anti-squeak. May or may not make any difference.

 

[thecrow71]

Thank you