Always the correct part
These are the 13mm 4x1.2mm Shock Pistons for the Associated SC10 4x4.
FEATURES: Plastic construction
Four 1.2mm diameter holes control rate of oil flow through shock body
1.2mm diameter holes are stock size pistons for this vehicle
INCLUDES: Four each 13mm 4x1.2mm Stock Shock Pistons, Screws and Washers
REQUIRES: Fastening to top of shock shaft with included hardware