Overview Reviews Product Description #309-96000002 Boom fits Kato Cylinder HD770SEII HD770SE-II 85mm Rod x 130mm Bore Includes Wiper, U cup, Buffer, 2pc oring, 2pc backup, 5pc wear band and Piston seals Product Videos Custom Field Product Reviews Write a Review Write a Review × #309-96000002 Boom fits Kato Cylinder HD770SEII HD770SE-II Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *