{"product_id":"fmf-factory-4-1-rct-replacement-spiral-retaining-ring-kit-040677","title":"FMF Factory 4.1 RCT Replacement Spiral Retaining Ring Kit 040677","description":"\u003cp\u003eThe FMF Factory 4.1 RCT Replacement Spiral Retaining Ring Kit is designed to support proper assembly and service of compatible FMF Factory 4.1 RCT exhaust systems. This replacement kit helps restore the retaining function of the original hardware when servicing or rebuilding the muffler, providing a dependable fit for applications that use the FMF Factory 4.1 RCT configuration.\u003c\/p\u003e\u003cp\u003eManufactured by FMF, this kit is made for riders, technicians, and powersports professionals who need replacement retaining components during exhaust maintenance. The spiral retaining rings are intended for compatible FMF Factory 4.1 RCT models and should be matched to the specific exhaust system before installation. Using the correct replacement hardware helps maintain secure component placement and supports proper exhaust-system assembly.\u003c\/p\u003e\u003cp\u003eVerify model compatibility and service requirements before ordering. The FMF manufacturer part number is 040677, and the vendor part number is 79-0939. Professional installation or reference to the applicable FMF service instructions is recommended to ensure the retaining rings are installed correctly.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment: Designed for compatible FMF Factory 4.1 RCT exhaust systems\u003c\/li\u003e\n\u003cli\u003eProduct Type: Replacement spiral retaining ring kit\u003c\/li\u003e\n\u003cli\u003eBrand: FMF\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 040677\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 79-0939\u003c\/li\u003e\n\u003cli\u003eApplication: Exhaust system service, repair, and component replacement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":67552197116139,"sku":"79-0939","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5b7a-65ca8f6eb3bf8.png?v=1790735463","url":"https:\/\/ctracingservices.com\/products\/fmf-factory-4-1-rct-replacement-spiral-retaining-ring-kit-040677","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}