Trailer Suspension Combo Kit - 312 Tandem Axle Shackles (3-1/8" Straps) & Boat Trailer U-Bolts (2x2 Axle - 6-5/16" Long, 3,500-7,200 lbs Capacity, Zinc-Coated) Heavy-Duty for Double Eye Sprin

★★★★★ 4.8 115 reviews

US$20.40
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US$20.40
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 229724439 Release Date 2026/05/31 List Price US$20.40 Model Number 229724439
Category
  • Dual-Purpose Durability: This combo kit combines premium trailer shackles and corrosion-resistant U-bolts, engineered to handle extreme weight (3,500-7,200 lbs axles) and repetitive motion in both dual-axle systems and boat trailer suspensions. Ideal for heavy-duty towing and marine environments.
  • Premium Corrosion Resistance: Shackles and U-bolts feature zinc-coated surfaces and resilient materials to withstand saltwater, freshwater, and outdoor conditions. Built for long-lasting performance under harsh weather or high-stress use.
  • Seamless Compatibility: Shackles fit Double Eye Spring tandem axle suspensions (includes 3-1/8" straps and nylon bushings), while U-bolts are precision-designed for 2x2 boat trailer axles (2-1/8" width x 6-5/16" length). Adjustable components ensure flexible installation.
  • Complete Kit: Shackle Kit: 4x 3-1/8" shackle straps, 4x 9/16" nylon bushings, 6x 9/16"-18 x 3" long shackle bolts & locking Nuts. U-Bolt Kit: 4x 1/2" thick square U-bolts, 2x mounting plates, 8x hex nuts, 8x flat washers, 8x lock washers.
  • Safety & Ease of Installation: Shackles include locking nuts for secure load distribution, while U-bolts feature reinforced steel and pre-sized components for hassle-free assembly. Regularly inspectable design ensures reliable suspension maintenance.
ASIN B0F4KFQ41Q
Brand Racewill

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115 ratings | 47 reviews
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