{"product_id":"motorshop-4-speed-transmission-case-es-for-harley-davidson-fl-and-fx-models","title":"Motorshop ES 4 Speed Transmission Case For Harley FL FX","description":"\u003cdiv\u003e\n\u003ch1\u003eMotorshop ES 4-Speed Transmission Case for Harley FL\/FX (1977–1979)\u003c\/h1\u003e\n\u003cp\u003eThis ES 4-Speed Transmission Case delivers durable, race-tested performance with a Torrington needle-type mainshaft bearing and a reverse gear idler shaft that avoids the issues of loose roller designs, ensuring steadier engagement and long-term reliability for vintage Harley builds.\u003c\/p\u003e\n\u003cp\u003eKey details and compatibility:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFits 1977–1979 Harley Davidson FL and FX models\u003c\/li\u003e \u003cli\u003eMade in Taiwan to standard quality benchmarks\u003c\/li\u003e \u003cli\u003eMainshaft bearing: Torrington needle type\u003c\/li\u003e \u003cli\u003eReverse gear idler shaft designed to avoid loose-roller behavior\u003c\/li\u003e \u003cli\u003eAccepts #12-0300 Torrington style 4th gear bearing\u003c\/li\u003e \u003cli\u003eOEM cross reference: 34702-78\u003c\/li\u003e \u003cli\u003eBushings are not pre-installed; verify clearance for the speedometer drive\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation and use notes:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLoctite on mount studs is recommended to secure mounting and ensure optimal operation\u003c\/li\u003e \u003cli\u003eSold as a Bill of Sale only — no Manufacturer's Statement of Origin required\u003c\/li\u003e \u003cli\u003eFor specific model-year fitment updates, consult the guidance to use #17-0101 bearing retainer and #17-9883 housing for 1981–1984 models if applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecommended pairings to complete a rebuild or upgrade:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e4-Speed Big Twin Transmission Assembly\u003c\/li\u003e \u003cli\u003eHitachi Starter Housing Kit\u003c\/li\u003e \u003cli\u003eGear Box with Components\u003c\/li\u003e\n\u003c\/ul\u003eES 4-speed transmission case accepts ratchet top.\n\u003cp\u003eUpgrade your Harley Davidson motorcycle with the Motorshop 4-Speed Transmission Case ES, designed specifically for 1977-1979 Harley Davidson FL and FX models. Constructed in Taiwan, this transmission case offers reliable performance and compatibility with OEM components. It features a mainshaft bearing using Torrington needle type and a reverse gear idler shaft, providing enhanced durability compared to loose roller designs. Proper installation with Loctite on mount studs is recommended to ensure secure mounting and optimal operation. This transmission case is sold with a Bill of Sale only, simplifying your purchase process without the need for a Manufacturer's Statement of Origin. Note that bushings are not pre-installed, and technicians should verify clearance for the speedometer drive to ensure proper fitment and function. The case accepts a #12-0300 Torrington style 4th gear bearing, and it is suggested to utilize a #17-0101 bearing retainer for models produced between 1981-1984, as well as a #17-9883 housing for those years, to ensure proper fitment and longevity. This component is compatible with OEM part cross-references such as 34702-78, ensuring seamless integration with your existing motorcycle parts. Designed for easy installation and long-term reliability, this transmission case is essential for rebuilding or restoring vintage Harley Davidson motorcycles. Accessories such as the 4-Speed Big Twin Transmission Assembly, Hitachi Starter Housing Kit, and Gear Box with Components are recommended to complete your transmission rebuild or upgrade. Proper handling and installation will help maintain your motorcycle’s performance and riding experience for years to come.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eMainshaft bearing: Torrington needle type for enhanced durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eReverse gear idler shaft: Not the loose roller type, ensuring improved performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatibility: Fits 1977-1979 Harley Davidson FL and FX models\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMaterial: Made in Taiwan with quality standards\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOEM Cross Reference: 34702-78 for seamless replacement\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eInstallation notes: Loctite recommended for mount stud installation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eTech notes: Accepts #12-0300 Torrington style 4th gear bearing; use #17-0101 bearing retainer and #17-9883 housing for specific model years\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eSold as: Bill of Sale only, no Manufacturer's Statement of Origin required\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1977\u003cbr\u003e\nHarley Davidson FL 1978\u003cbr\u003e\nHarley Davidson FL 1979\u003cbr\u003e\nHarley Davidson FX 1977\u003cbr\u003e\nHarley Davidson FX 1978\u003c\/div\u003e","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":44652100485162,"sku":"43-9105","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/43-9105a.jpg?v=1785871066","url":"https:\/\/atticusgoods.com\/products\/motorshop-4-speed-transmission-case-es-for-harley-davidson-fl-and-fx-models","provider":"Atticus Goods","version":"1.0","type":"link"}