Upper A Arm Ball End Set 14x17mm $19.95 Quantity discounts available QuantityPrice Quantity: -+ SKU: HPI86425 ABOUT THIS PRODUCT:Upper A Arm Ball End Set 14x17mmAboutAboutSet of four (4) balls for the HPI Baja 5b. Located in the upper A arm. 17mm length, 14mm ball diameter. HPI part # 86425.