Overview Reviews Product Description Air Locker(TM) Differential Thrust Washer Kit, JA-type, replacement for ARB Air Locker(TM) s. Product Videos Custom Field EPA N/A MPN 730JA01 Product Reviews Write a Review Write a Review × ARB ARB Sp Thrust Washer Kit Ja Type - 730JA01 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *