CURT Adjustable Weight Distribution Hitch Shank 2"x2" — Reversible 5-5/8" Drop / 8-7/8" Rise, Carbide Black

The CURT 17120 adjustable weight distribution replacement shank delivers heavy-duty, corrosion-resistant support to level trailers by offering a reversible 5-5/8" drop or 8-7/8" rise and multiple head-height settings.

This replacement shank is engineered for towing versatility and durability. Built from solid steel and finished with a carbide black powder coat, it’s made to resist weather and road contaminants while fitting all CURT weight distribution heads. The 2" x 2" receiver shank and 5/8" hitch pin specification match the majority of CURT Class 3, Class 4 and Xtra Duty Class 5 hitches, while the vertical shank's multiple holes enable precise trailer leveling across a wide range of setups.

How do I use the CURT 17120 shank to level my trailer?

Set the shank in either the rise or drop orientation to change the hitch head height, then select the vertical hole that aligns the head for your desired tongue angle. Tighten mounting hardware per your hitch instructions and verify trailer and vehicle are level before final towing. The reversible design makes switching between applications quick and straightforward.

• Flip between rise (8-7/8") and drop (5-5/8") positions for coarse height adjustments
• 3/4" diameter vertical holes spaced 1-1/4" center-to-center for fine tuning
• Fits standard 2" x 2" receiver tubes using a 5/8" hitch pin

Will this shank work with my CURT weight distribution hitch?

Yes — the 17120 was designed as a direct weight distribution replacement shank compatible with all CURT weight distribution heads. The receiver-side dimensions match CURT standards so it pairs with most of their Class 3–5 hitch lines. Always check ratings and fitment against your trailer setup and towing vehicle.

• Universal fit for CURT weight distribution heads
• Rated for 15,000 lb gross trailer weight and 1,500 lb tongue weight
• Works with most CURT Class 3, 4, and Xtra Duty Class 5 receivers

How durable is the CURT 17120 against corrosion and wear?

The shank is constructed from high-strength solid steel and protected by a carbide black powder coat finish engineered to shield against salt, moisture and grime. That finish slows surface corrosion and extends service life compared with bare metal. Routine inspection and maintenance ensure the best long-term performance in demanding towing conditions.

• Solid steel construction for heavy-duty towing applications
• Carbide black powder coat protects from road salt, rain and dirt
• Designed to withstand repeated adjustments and seasonal exposure

What adjustment range and hole spacing does this shank provide?

The vertical shank includes multiple holes to let you raise or lower the hitch head in small increments for exact trailer-to-vehicle alignment. The holes measure 3/4" diameter and are spaced 1-1/4" center-to-center, giving a reliable grid for precise setup. Use those settings to achieve the right pitch and reduce sway or uneven tire wear.

• Maximum rise: 8-7/8" when positioned in rise orientation
• Maximum drop: 5-5/8" when flipped to drop orientation
• 3/4" holes at 1-1/4" spacing for stepwise height tuning

Who is this for: The CURT 17120 replacement shank is for owners of CURT weight distribution systems who need a rugged, adjustable mount to level their trailer across diverse loads and towing conditions. It suits weekend RVers, work truck owners, and anyone using Class 3–5 CURT receivers who wants a dependable, corrosion-resistant shank rated up to 15,000 pounds gross trailer weight and 1,500 pounds tongue weight.