Cylinder (New design) x 4 Piston Rod 53.3mm (Titanium coated) (New design) x 4 Piston 1.4mm dia. x 2 holes x 4 Piston 1.4mm dia. x 3 holes x 4 Damper oil #400 20cc x 1 Screws Can be used with all CR-01 chassis vehicles.