{"product_id":"kibblewhite-upper-valve-spring-collar-set-for-harley-davidson-fl-and-fx-models","title":"Kibblewhite Upper Valve Spring Collar Set For Harley FL FX","description":"\u003cdiv\u003e\n\u003ch1\u003eKibblewhite Upper Valve Spring Collar Set for Harley FL\/FX (20-20851)\u003c\/h1\u003e\n\u003cp\u003eThe Kibblewhite Upper Valve Spring Collar Set is designed for stock lift cams and is manufactured in the USA as part number 20-20851. It’s built to fit Harley-Davidson engines from 1978 to 1983, specifically the FL, FLT, FX, and FXR families.\u003c\/p\u003e\n\u003cp\u003eThis collar set is engineered to maintain optimal valve spring pressure, contributing to engine stability and longevity under demanding riding conditions. Crafted from durable materials, it’s engineered to withstand daily use and higher-performance riding scenarios while preserving precise valve train operation when installed correctly.\u003c\/p\u003e\n\u003cp\u003eFitment (stock lift cams):\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHarley Davidson FL 1978\u003c\/li\u003e \u003cli\u003eHarley Davidson FL 1979\u003c\/li\u003e \u003cli\u003eHarley Davidson FL 1980\u003c\/li\u003e \u003cli\u003eHarley Davidson FL 1981\u003c\/li\u003e \u003cli\u003eHarley Davidson FL 1982\u003c\/li\u003e \u003cli\u003eHarley Davidson FL 1983\u003c\/li\u003e \u003cli\u003eHarley Davidson FLT 1979\u003c\/li\u003e \u003cli\u003eHarley Davidson FLT 1980\u003c\/li\u003e \u003cli\u003eHarley Davidson FLT 1981\u003c\/li\u003e \u003cli\u003eHarley Davidson FLT 1982\u003c\/li\u003e \u003cli\u003eHarley Davidson FLT 1983\u003c\/li\u003e \u003cli\u003eHarley Davidson FX 1978\u003c\/li\u003e \u003cli\u003eHarley Davidson FX 1979\u003c\/li\u003e \u003cli\u003eHarley Davidson FX 1980\u003c\/li\u003e \u003cli\u003eHarley Davidson FX 1981\u003c\/li\u003e \u003cli\u003eHarley Davidson FX 1982\u003c\/li\u003e \u003cli\u003eHarley Davidson FX 1983\u003c\/li\u003e \u003cli\u003eHarley Davidson FXR 1982\u003c\/li\u003e \u003cli\u003eHarley Davidson FXR 1983\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUOM: SET • Country of Origin: USA • Part Number: 20-20851\u003c\/p\u003eKibblewhite upper valve spring collar set is for stock lift cams.\n\u003cp\u003eUpgrade your Harley Davidson engine with the Kibblewhite Part Number 20-20851 Upper Valve Spring Collar Set, designed specifically for stock lift cams. Crafted in the USA, this set ensures a precise fit and reliable performance for models from 1978 to 1983, including Harley Davidson FL and FX series motorcycles. The collar set is engineered to maintain optimal valve spring pressure, contributing to engine stability and longevity during demanding riding conditions. Made from durable materials, these collars are built to withstand the rigors of daily use and high-performance riding alike. Proper installation helps prevent valve float and ensures smooth engine operation, making this set an essential upgrade for restoring or enhancing your Harley’s engine performance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eUOM: SET\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCountry of Origin: USA\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned for stock lift cams\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eFits: 1978-1983 Harley Davidson FL and FX models\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eManufactured from durable materials for longevity\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1978\u003cbr\u003e\nHarley Davidson FL 1979\u003cbr\u003e\nHarley Davidson FL 1980\u003cbr\u003e\nHarley Davidson FL 1981\u003cbr\u003e\nHarley Davidson FL 1982\u003cbr\u003e\nHarley Davidson FL 1983\u003cbr\u003e\nHarley Davidson FLT 1979\u003cbr\u003e\nHarley Davidson FLT 1980\u003cbr\u003e\nHarley Davidson FLT 1981\u003cbr\u003e\nHarley Davidson FLT 1982\u003cbr\u003e\nHarley Davidson FLT 1983\u003cbr\u003e\nHarley Davidson FX 1978\u003cbr\u003e\nHarley Davidson FX 1979\u003cbr\u003e\nHarley Davidson FX 1980\u003cbr\u003e\nHarley Davidson FX 1981\u003cbr\u003e\nHarley Davidson FX 1982\u003cbr\u003e\nHarley Davidson FX 1983\u003cbr\u003e\nHarley Davidson FXR 1982\u003cbr\u003e\nHarley Davidson FXR 1983\u003c\/div\u003e","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":44653354844202,"sku":"11-1474","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-1474a.jpg?v=1785898588","url":"https:\/\/atticusgoods.com\/products\/kibblewhite-upper-valve-spring-collar-set-for-harley-davidson-fl-and-fx-models","provider":"Atticus Goods","version":"1.0","type":"link"}