Racewill Trailer Shackle Kit 3-1/8" (1 Pack) — 4 Shackle Straps, Nylon Bushings & Locking Nuts

Racewill 1 Pack Trailer Shackle Kit provides a complete set of 3-1/8" shackle straps and hardware designed to replace worn or damaged shackles on tandem axle double-eye spring suspensions.

If you tow trailers, maintaining the suspension shackles prevents uneven wear and keeps the ride stable. This kit assembles the essential components for a tandem axle double-eye spring setup: four shackle straps, matching nylon bushings, bolts and locking nuts. Each part is built to resist corrosion and handle the repetitive motion that suspension shackles endure, making this a practical repair or spare-parts solution for trailers used outdoors.

What components are included in the kit and why they matter?

The Racewill kit includes every hardware piece needed to replace shackles on a tandem axle double-eye spring suspension so you can complete the job without hunting for extras. All parts are sized to match common trailer specifications for easy fitment.

• 4 shackle straps — 3-1/8" length for correct axle/spring spacing
• 4 nylon bushings (9/16") to reduce metal-on-metal wear and noise
• 6 shackle bolts — 9/16"-18 x 3" long for secure fastening
• 6 locking nuts to prevent loosening under vibration

How durable and weather-resistant are these shackles?

Racewill manufactures this kit from corrosion-resistant materials intended for outdoor use and repeated suspension movement. The construction focuses on longevity in typical trailer environments—rain, road debris and seasonal changes.

• Robust metal straps engineered for heavy movement and load
• Nylon bushings reduce wear and extend service life of contact points
• Locking nuts hold under vibration and motion to avoid loosening
• Parts suited for routine checks and periodic replacement as needed

Will this kit fit my trailer’s tandem axle double-eye springs?

This kit is designed specifically for tandem axle double-eye spring suspensions; its dimensions match common factory and aftermarket setups. Confirm the 3-1/8" strap length and 9/16" bushing/bolt dimensions against your trailer’s existing hardware before installing.

• Shackle strap length: 3-1/8" — check compatibility with your spring eye spacing
• Bushings and bolts: 9/16" diameter, standard thread 9/16"-18
• Includes enough hardware for a full tandem-axle shackle refresh

How should I maintain these shackles for safe towing?

Shackles endure the most movement and weight in the suspension, so regular inspection helps prevent failures. Check for bushing wear, corrosion, loose nuts, and abnormal movement; replace components at the first sign of significant wear.

• Inspect shackles before long trips and seasonally for wear and corrosion
• Replace nylon bushings if flattened or cracked to avoid metal contact
• Tighten locking nuts to spec and re-check after initial miles driven
• Keep a spare set on hand to reduce downtime during repairs

Who is this kit for? If you own or service trailers with tandem axle double-eye spring suspensions—commercial or recreational—this Racewill shackle kit is a practical replacement and maintenance option. It suits fleet mechanics, DIY trailer owners, and roadside repair needs where durable, correctly sized shackles, bushings, bolts and locking nuts are required to restore suspension function and safety.