AFCO IMCA legal edge valve modified shocks. Each shock has special valving to fit nightly track changes. 9" stroke fronts, sealed, steel shock. Front shocks are now grooved for coil-over hardware and 9" rears are grooved also. This shock is a right rear for a slick track. Kit for 2 5/8" spring 20125AR and for 5" spring 20125A-7KR. Compressed length 12.95" extended 18.85"