I prefer the HD springs because I'm not a fan of the old school butt in the air look. I put HD springs on my Mom's Duster two years ago to replace the sagging factory springs. They work great and have helped the car go 1.60 60' times full body and interior with one of my pump gas 360's.
2013 NHRA D4 Stock Champ #4 in the World IHRA Stock 2x IHRA Div.4 Stock Champ 14x Track Champ All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837