When maintaining a level towing setup, selecting the right drop shank for a weight distribution hitch is essential. This guide highlights reliable 2″ and 2.5″ receiver shanks with ample drop and rise options, compatibility with CURT and other weight distribution systems, and adjustable head heights. Whether you’re upgrading an existing hitch or replacing worn components, these options cover common towing scenarios and vehicle configurations, ensuring safer, more stable towing performance.
| Product | Brand | Max Drop | Max Rise | Receiver Size |
|---|---|---|---|---|
| CURT 17123 Replacement Weight Distribution Hitch Shank | CURT | 7 in | 10.5 in | 2 in |
| CURT 17131 Replacement Weight Distribution Hitch Shank | CURT | 2 in | 6 in | 2.5 in |
| CURT 17120 Replacement Weight Distribution Hitch Shank | CURT | 5 5/8 in | 8 7/8 in | 2 in |
| CURT 17132 Replacement Weight Distribution Hitch Shank | CURT | 8 in | — | 2.5 in |
| BulletProof Hitches 2.5″ Weight Distribution Shank | BulletProof Hitches | Varies: up to 7 ride heights | Up to 7 ride heights | 2.5 in |
CURT 17123 Replacement Weight Distribution Shank

The CURT 17123 shank is a 2-inch receiver model offering a maximum drop of 7 inches and a rise of 10-1/2 inches. It uses multiple 3/4-inch holes spaced 1-1/4 inches apart to adjust head height, and it is compatible with any CURT weight distribution hitch. This design provides a versatile option for trailers of varying heights and is especially suitable for standard 2-inch receivers with CURT systems.
CURT 17131 Replacement Weight Distribution Shank

This 2-1/2-inch receiver shank is designed for heavier-duty setups, delivering a maximum drop of 2 inches and a rise of 6 inches. It fits 2-1/2-inch by 2-1/2-inch receiver openings with a 5/8-inch hitch pin hole and remains compatible with CURT weight distribution hitches. Its 3/4-inch hole pattern provides reliable head-height adjustability for precise alignment on larger trailers.
CURT 17120 Replacement Weight Distribution Shank

Designed for 2-inch receivers, the CURT 17120 shank provides a 5-5/8-inch drop and an 8-7/8-inch rise. It features a standard 5/8-inch hitch pin hole and a series of 3/4-inch diameter holes to enable precise head-height adjustments. This model is compatible with CURT weight distribution hitches and is a solid option for mid-range towing heights.
CURT 17132 Replacement Weight Distribution Shank

The CURT 17132 shank is built for 2-1/2-inch receivers and offers a higher drop option, up to 8 inches. It is specified as not rated for use in the rise position but maintains compatibility with all CURT weight distribution hitches. It includes multiple 3/4-inch holes spaced 1-1/4 inches apart for precise head-height tuning and stable towing with heavier loads.
BulletProof Hitches 2.5″ Weight Distribution Shank

This 2.5″ shank from BulletProof Hitches is designed for higher-capacity setups and offers a long list of ride height options. It fits most weight distribution systems, is corrosion-resistant with a black powder coat, and provides seven adjustable ride heights for precise leveling of trailers with modified suspensions or larger tires. Its compatibility and build make it a strong option for trucks and heavier towing scenarios.
VODCACA 17123 Replacement Weight Distribution Shank

The VODCACA 17123 shank is a 2-inch receiver model offering a maximum drop of 7 inches and a rise up to 10-1/2 inches. It shares common CURT compatibility, with overall dimensions around 13-1/4 inches high and 11 inches long. This option caters to trailers requiring substantial vertical adjustability while staying within standard CURT-compatible systems.
RVGUARD Replacement Weight Distribution Shank

RVGUARD’s 2-inch receiver shank for weight distribution offers 2-1/2-inch drop and 6-1/2-inch rise with compatibility for most hitches. It includes multiple 3/4-inch holes spaced 1-1/4 inches apart, enabling head-height adjustment to achieve level towing. This option provides a balanced choice for RVs and light-to-mid-duty trailers, emphasizing fit with standard weight distribution configurations.
Buying Guide: Key Purchase Considerations
- Receiver size compatibility: Match the shank to your hitch’s receiver (2″ vs 2-1/2″).
- Drop and rise range: Choose based on your towing height needs and trailer load height to ensure level towing.
- Head-height adjustability: Look for multiple 3/4″ holes spaced evenly to fine-tune alignment.
- Compatibility with existing systems: Confirm the shank works with your weight distribution hitch brand (e.g., CURT, BulletProof) to avoid compatibility issues.
- Durability and finish: Consider corrosion-resistant finishes (e.g., powder coat) for longer life in variable weather conditions.
- Vehicle and trailer weight: Higher-capacity shanks (like 2.5″ models) are typically needed for heavier trailers and lifted vehicles.
- Mounting hardware: Ensure included or compatible hitch pin hole sizing and hardware availability.
- Warranty and support: Prefer options from reputable brands offering clear warranty terms and replacement policies.
Choosing the right drop shank involves assessing the combination of receiver size, maximum drop and rise, and hole spacing for head-height adjustment. For standard pickups towing small to mid-size trailers, 2″ receiver shanks with a 7″ drop and 10-1/2″ rise offer ample flexibility. For heavier setups or lifted vehicles, 2.5″ shanks with broader adjustment ranges provide the needed versatility. Always verify compatibility with your specific weight distribution hitch model and the trailer height you aim to achieve to maintain safe, level towing.