which year did the 63" springs come from

[Jeff B]

as the title says doing a little reasearch any info will help me

thanks

 

[rockmafia]

88-98 chevy trucks, suburbans

 

[Jeff B]

thank you

 

[Benjie]

63" springs

These springs are on the 1/2 ton trucks only, correct?

 

[rockmafia]

AFAIK They are on 3/4 and 1 tons too, they just have more leaves.