{"product_id":"j-and-m-rear-weight-jack-adjustable-lower-control-arms-for-1979-1998-ford-mustang-street-race-23958","title":"J\u0026M Rear Weight Jack Adjustable Lower Control Arms for 1979-1998 Ford Mustang - Street\/Race (23958)","description":"\u003ch2\u003e1979-1998 Ford Mustang Rear Weight Jack Lower Control Arms – Street\/Race\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart # 23958\u003c\/strong\u003e | \u003cstrong\u003eMade in the USA\u003c\/strong\u003e | \u003cstrong\u003eLifetime warranty for the original owner\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImproved suspension control • Predictable handling • Performance street and track use • Powder coat finish options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAdjustable weight-jack arms only work as well as the suspension mounting them. Flex-prone factory hardware lets the arm twist under load, making weight-transfer tuning inconsistent from run to run.\u003c\/p\u003e\n\u003cp\u003eJ\u0026amp;M tested this design against a fixture that simulated factory control-arm mounting, measuring the force needed to make the arm articulate (twist) in the mounts. The tubular construction and premium bearing spec resisted deflection far beyond stock, giving a rigid, predictable foundation for dialing in weight transfer.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in spring perch weight jack\u003c\/strong\u003e - Fine-tune rear weight transfer and ride height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-piece Poly-Ball bushing on chassis side\u003c\/strong\u003e - Bind-free articulation during body roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-moly spherical bearing on axle side\u003c\/strong\u003e - Reduced deflection at the axle mount\u003c\/li\u003e\n\u003cli\u003eCNC laser-cut, pulse-welded 2-inch round steel tubing\u003c\/li\u003e\n\u003cli\u003eStreet\/race configuration for high-performance solid-axle Mustangs\u003c\/li\u003e\n\u003cli\u003ePowder coat finish options for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 1979-1998 Ford Mustang with solid rear axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not fit:\u003c\/strong\u003e 1999-2004 Mustang IRS models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication notes:\u003c\/strong\u003e Street\/race weight jack arms with Poly-Ball chassis bushings and spherical axle-side bearings. Select your powder coat finish from the product options before adding to cart.\u003c\/p\u003e\u003ch2\u003eWhy Choose J\u0026amp;M\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet-smart bushing strategy\u003c\/strong\u003e - Performance control without the bind common in basic polyurethane upgrades\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e - Designed and manufactured by J\u0026amp;M Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium materials and construction\u003c\/strong\u003e - Built to the hardware and fabrication standards serious performance applications require\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime warranty\u003c\/strong\u003e - Backed by J\u0026amp;M for the original owner on qualifying components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade with confidence and feel the difference where the tire meets the road.\u003c\/strong\u003e Select your powder coat finish above and add to cart.\u003c\/p\u003e","brand":"J\u0026M Products","offers":[{"title":"Black","offer_id":49407581880547,"sku":"23958-B","price":352.24,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":49407581913315,"sku":"23958-R","price":352.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/3616\/0739\/files\/23958-Black-1000_042b58a9-48f0-4f51-8ff6-b49aeeb4ba46.jpg?v=1784063718","url":"https:\/\/hotpart.com\/products\/j-and-m-rear-weight-jack-adjustable-lower-control-arms-for-1979-1998-ford-mustang-street-race-23958","provider":"J\u0026M Products \/ Hotpart.com","version":"1.0","type":"link"}