The springs are the correct style, but are old and tired and not strong enough to hold the weight of the car level, or they wanted to raise the back for tire clearance or appearance, so someone prior put those risers under them.
A better idea of what you have and what you want to do would help. A profile pic of the car and it's stance would be good.
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Mitch
1970 Chevelle SS
1966 Chevelle SS
1967 Camaro ss/rs
1938 Business coupe, street rod
2000 FXSTS, original owner, 13k miles
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