This Eliminator Single Adjustable drag shock features a wide range of rebound adjustability without bleeding over into compression changes. Fits rear stock location of many GM cars and trucks including 1970-'88 Monte Carlo, 1964-'67 Chevelle/Malibu, 1968-'83 Chevelle/Malibu, 1955-'57 Full Size, 1965-'86 Full Size, 1968-'72 Nova, 1982-'96 Blazer/S10 . 14" comp x 20.9" extended length. May be ran as a coil-over with #20135D kit and 14" tall spring sold separately.