STRUT STEM MOUNT & SPRING SEATS, INCLUDES UPPER STEM MOUNT FOR 11/16 SHOULDER x 5/8-18 (with hex) PISTON ROD, UPPER AND LOWER 2 1/2 id SPRING SEATS FOR 2.225-8 THREAD STRUT BODY, SET FOR 2 STRUTS. USE ON 4" TRAVEL INTEGRAL SPINDLE ORIGINAL SIZE PISTON ROD ONLY