{"product_id":"9-16-18-trailer-shackle-bolt-kit","title":"RGP Heavy Duty 9\/16\" x 3-1\/2\" Shackle Bolts and Locknuts for 7K Trailer Equalizers","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eReplacement \u0026amp; Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for securing slipper leaf springs, equalizers, and suspension components on heavy-duty trailer suspension systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuspension Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Commonly used with 7,000 lb (7K) trailer axle slipper spring suspension setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fits suspension hangers, equalizers, and spring components that accept a 9\/16\" diameter shackle bolt.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTrailer Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for utility trailers, equipment trailers, flatbed trailers, car haulers, livestock trailers, and other heavy-duty tandem- or triple-axle trailers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eShackle Bolt Details:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBolt Type: Slipper Spring \/ Equalizer Shackle Bolt\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBolt Diameter: 9\/16\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBolt Length: 3-1\/2\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThread Size: 9\/16\"-\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e18\u003c\/span\u003e \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eFine Thread\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHardware Style: Standard Non-Greaseable Shackle Bolt\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApplication Compatibility: Commonly used with 7,000 lb trailer suspension systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaterial: Heavy-Duty High-Strength Steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLocknut Details:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNut Type: Reversible Hex Locknut\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInside Thread Diameter: 9\/16\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThread Pitch: 18 TPI\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThread Size: 9\/16\"-18 Fine Thread\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaterial: High-Tensile, Heat-Treated Steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesign: Reversible for installation from either side\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat's Included by Kit Option:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePack of 2:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x 9\/16\" x 3-1\/2\" Heavy-Duty Trailer Shackle Bolts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x 9\/16\"-18 Reversible Hex Locknuts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePack of 4:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4 x 9\/16\" x 3-1\/2\" Heavy-Duty Trailer Shackle Bolts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4 x 9\/16\"-18 Reversible Hex Locknuts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Overview:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWorn, bent, or heavily rusted suspension bolts can allow the trailer’s springs and equalizers to shift out of position, potentially causing uneven tire wear, poor axle alignment, dog-tracking, and premature suspension component failure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis heavy-duty shackle bolt and locknut kit provides the matched hardware needed to replace damaged or missing fasteners in compatible 7K trailer suspension systems. Each 9\/16\" diameter bolt measures 3-1\/2\" long and features a fine 9\/16\"-18 thread for secure engagement with the included reversible hex locknut.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe high-strength steel shackle bolts are built to withstand the repeated movement, road shock, and vibration experienced by commercial and utility trailers. The matching locknuts are engineered to resist loosening under continuous suspension movement, helping maintain proper spring and equalizer positioning over long-distance towing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike standard hex nuts that may gradually back off under vibration, the included locking nuts maintain a secure hold on the bolt threads. Their reversible design also allows them to be started from either side, making installation more convenient during suspension repairs or complete rebuilds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for replacing worn suspension hardware or keeping spare fasteners available for trailer maintenance, this matched bolt-and-locknut kit provides dependable hardware for heavy-duty towing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eComplete matched shackle bolt and locknut kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e9\/16\" diameter x 3-1\/2\" long bolts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFine 9\/16\"-18 thread configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReversible hex locknuts resist vibration-related loosening\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeavy-duty steel construction for demanding trailer applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommonly used with 7K slipper spring suspension systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for suspension repairs, maintenance, and rebuilds\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvailable in packs of 2 or 4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RunningGearParts.com","offers":[{"title":"Pack of 2","offer_id":44272016195687,"sku":"SP-HW-SB-312-M","price":4.38,"currency_code":"USD","in_stock":true},{"title":"Pack of 4","offer_id":44272016228455,"sku":"SP-HW-SB-312-M","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/FPB916-312.webp?v=1784393153","url":"https:\/\/www.runninggearparts.com\/products\/9-16-18-trailer-shackle-bolt-kit","provider":"RunningGearParts.com","version":"1.0","type":"link"}