{"product_id":"1984-2022-harley-davidson-sportster-evolution-twin-cam-valve-guide-id-od-309-5645-length-chimney-od-421","title":"1984-2022 Harley-Davidson Sportster, Evolution, Twin Cam Valve Guide - ID OD .309 .5645 Length Chimney OD .421","description":"\u003cp\u003eThis precision-machined valve guide ensures proper valve stem alignment and regulates oil flow to maintain optimal cylinder head efficiency. Each component is manufactured to exacting tolerances from high-strength materials to provide excellent heat dissipation and wear resistance. You can rely on this professional-grade part to restore factory-level precision and promote engine longevity during a top-end overhaul.\u003c\/p\u003e\n\n\u003cp\u003eThis part fits Harley-Davidson Sportster, Evolution Big Twin, and Twin Cam models produced between 1984 and 2022.\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":52654459420896,"sku":"NFCB57S-5645","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/8451\/9648\/files\/CB57S-5645_114502dc-cad7-4788-bc4d-b2e9c46bd3b4.png?v=1778994737","url":"https:\/\/nightforgeparts.com\/products\/1984-2022-harley-davidson-sportster-evolution-twin-cam-valve-guide-id-od-309-5645-length-chimney-od-421","provider":"Night Forge Parts","version":"1.0","type":"link"}