MANUFACTURER PART NUMBER: JC28050048. SKYLARK LUXURY EDITION 4 CYL 2.3L 1990-1991 WITHOUT ELECTRONIC SUSPENSION, USE PN[AK42] TO REPLACE OEM LOWER MOUNTING HARDWARE IF NECESSARY. SKYLARK BASE 4 CYL 2.3L 1991 WITHOUT ELECTRONIC SUSPENSION, USE PN[AK42] TO REPLACE OEM LOWER MOUNTING HARDWARE IF NECESSARY.