CURT Switch Ball Trailer Hitch Set, 1 in Shank — 1-7/8, 2 & 2-5/16 in Balls, Nickel-Chrome

CURT Switch Ball Set 42225 is an interchangeable trailer ball system with a 1-inch shank and three quick-change heads (1-7/8", 2", 2-5/16") for fast, tool-free coupling.

This compact kit replaces carrying multiple ball mounts by giving you one durable shank and three threaded ball heads that twist on and off in seconds. Engineered from high-strength steel with a bright nickel-chrome finish, the CURT Switch Ball is built to SAE J684-tested standards and designed to fit common light- and medium-duty couplers while keeping towing transitions swift and secure.

How does the Switch Ball let me use different trailer couplers?

The CURT Switch Ball uses a removable head design with a patented J-groove to lock each ball securely on the shank while allowing easy removal without tools. To change sizes, twist the ball head, lift it off, and set on the replacement size—the shank supports the load so the coupler rides on the ball head, not the shank.

• Includes three ball sizes: 1-7/8" (3,500 lb), 2" (6,000 lb), 2-5/16" (8,000 lb)
• J-groove retention provides a positive lock with simple removal
• Tool-free switching eliminates pins, coins, or wrenches
• 1" diameter, 2-1/4" long shank fits standard mounts

Will this set handle my trailer’s tongue weight and towing needs?

Each ball head is rated for a specific maximum capacity—choose the ball that matches your trailer’s coupler rating and towing requirements. The shank and ball heads are built from high-strength steel so the system carries rated loads when used within the stated limits.

• 1-7/8" ball: 3,500 lb capacity for light trailers
• 2" ball: 6,000 lb capacity for heavier loads
• 2-5/16" ball: 8,000 lb capacity for larger trailers
• Independent SAE J684 testing for verified performance

How does installation and maintenance differ from a fixed hitch ball?

Installation of a Switch Ball head is faster: align, twist into the J-groove, and lock—no separate pin or tools needed. Maintenance focuses on keeping contact surfaces clean and lightly lubricated as recommended; the shank bears the structural load so coupler wear is minimized compared with some multi-ball arrangements.

• Quick-change design removes need for extra ball mounts
• Bright nickel-chrome finish resists corrosion and simplifies cleaning
• Inspect ball surfaces for wear and maintain lubrication where appropriate
• Replace worn heads rather than the entire mount for cost savings

What vehicle and trailer setups are compatible with this CURT set?

The 1" shank and included balls cover the most commonly used coupler sizes for light- and medium-duty towing. Confirm your trailer’s coupler diameter and weight rating, then select the corresponding ball head; this set removes the need to swap ball mounts between trailers with different couplers.

• Works with trailers that accept 1-7/8", 2", or 2-5/16" balls
• Ideal for users who tow different trailers with one tow vehicle
• Fits aftermarket ball mounts with a 1" diameter hole
• Not intended for applications exceeding each ball’s rated capacity

Who is this for: The CURT 42225 Switch Ball set is aimed at recreational vehicle owners, weekend haulers, small-business users and anyone who regularly tows multiple trailers with different couplers. If you want a compact, tested, and fast way to switch hitch ball sizes without carrying extra mounts or tools, this kit provides a durable, space-saving solution.