How to replace steering rack boot? Important Size The steering boot is 8.85 inch in length, the small port outer diameter is 0.42 inch, inner diameter is 0.39 inch, the large port outer diameter is 1.34 inch, inner diameter is 1.25 inch, please check the size data you need before purchasing Allaround Dust Protection Silicone is a tough and flexible material that fits snugly into the tie rods, effectively blocking out moisture, dust and debris and protecting gears, racks and other steering components from damage Wide Application This tie rod boots has a lot of different caliber specifications, including inner diameter 0.39 0.78 1.1 1.37 1.25 1.49 1.65 1.77, can be cut to size according to different owners needs, suitable for most cars and trucks Installation Steps First, you need to locate the rack and pinion bellows, then pull the old tie rod end boot down to remove it, then the new dust cover is slid onto the steering column, and you can adjust the position slightly with your fingers or tools Full Accessories Our rack and pinion boot kit contains 2 piece inner tie rod boot, 6 tie wraps and 4 locking clamps, fully equipped The steering rack boot is made of selected highgrade silicone material with excellent wearresistance