Quick view M18 ARM PIVOT BOLT KIT $8.99 The Arm Pivot Bolt Kit is used to secure either the Left or Right Hub Arm (RT039 or RT040) to either the 2", 2.5" or 3" Hub (RT034, RT057, RT059). Kit Includes: 1 M18 Arm Clamp Bolt 1 M18 Split Washer 1 M18 Flat... Compare Add to Cart Wish list