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SIZE COMPATIBILITY Lonffery trailer leaf spring shackle bolts are sized 91618 x 3 with lock nuts, designed for 134 wide double eye springs. Standard leaf spring bolts for common trailer suspension replacementsGRADE 5 ALLOY STEEL Constructed from Grade 5 alloy steel, these shackle bolts deliver superior strength and longlasting durability, offering stable performance under heavy loads and continuous road vibrationPRECISION 18 TPI THREADS Equipped with 18 TPI fine threads for tighter meshing and enhanced clamping force, effectively preventing loosening caused by trailer shaking and bumpy roadsALLINONE 4PIECE SET The package contains 4 shackle bolts and 4 allmetal lock nuts. It is a full replacement kit, so you dont need to purchase extra parts for suspension repairWIDE APPLICATION Suitable for trailers with 2,0003,500 lb axles, perfect for utility trailers, boat trailers and lightduty cargo trailers MORE DETAILS asin B0FPQZ8XT1 bestsellersrank 34,460 in Automotive See Top 100 in Automotive 8 in Automotive Replacement Chassis Shackles Parts brand Lonffery customerreviews 4.9 4.9 out of 5 stars 15 4.9 out of 5 stars datefirstavailable September 4, 2025 itemmodelnumber TR1bolt itemweight 1.3 pounds manufacturer Lonffery manufacturerpartnumber TR1bolt model TR1bolt packagedimensions 6.69 x 4.84 x 1.61 inches




