This kit replaces the aluminum shoulder bolt (or ¼-20 × 1 %" long screw and 7/8" long bushing) previously used on Terrova and Riptide ST motors.

This kit includes (1) p/n 2323405 ¼-20 × ½" screw, (1) 2322921

aluminum stand-off, and (1) 2323403 ¼-20 × 3/8" screw (Note: Two-(2) p/n 2881921 Stand-off/screw kits are required for one motor). To install this kit, in addition to the parts included in the kit, you will need a drill with a ¼" (.250") drill bit, a Phillips screwdriver short enough to fit between the upright sides of the base extrusion of the motor and some permanent (red) Loctite.