{"product_id":"kpmi-white-diamond-intake-valve-m8-1-630-os-191-17042","title":"KPMI White Diamond Intake Valve - M8 1.630 OS — Harley-Davidson Road King, Road King Special, Electra Glide Ultra Classic (2017-2019)","description":"\u003cp\u003eKPMI White Diamond intake valve for Milwaukee-Eight (M8) engines with oversized 1.630 in stem diameter and thermal-resistant coating. Engineered for high-lift cam profiles and OEM-replacement flow characteristics.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWhite Diamond heat-resistant coating\u003c\/li\u003e\n  \u003cli\u003e1.630 in oversized stem diameter\u003c\/li\u003e\n  \u003cli\u003eDesigned for high-lift M8 cam applications\u003c\/li\u003e\n  \u003cli\u003eOEM-specification flow characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KPMI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 20-21009H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Diameter:\u003c\/strong\u003e 1.630 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Milwaukee-Eight (M8) engines with high-lift cam profiles requiring oversized intake valves.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit stock M8 cam profiles?\u003c\/h3\u003e\n\u003cp\u003eThis valve is engineered for high-lift cam applications. Verify with your cam manufacturer before ordering for stock-lift setups.\u003c\/p\u003e\n\u003ch3\u003eWhat is the White Diamond coating?\u003c\/h3\u003e\n\u003cp\u003eA thermal-resistant surface treatment that improves heat dissipation and extends valve life under aggressive cam profiles.\u003c\/p\u003e\n\u003ch3\u003eIs this an OEM Harley part?\u003c\/h3\u003e\n\u003cp\u003eNo — KPMI manufactures this to OEM specifications as a direct replacement for Harley M8 intake valves.\u003c\/p\u003e\n\u003ch3\u003eDo I need to adjust anything when installing this valve?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires precision engine work. Ensure proper valve clearance and seat contact during reassembly.\u003c\/p\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":53035797708911,"sku":"191-17042","price":32.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/c8b5-677ec0af25a33.jpg?v=1777529359","url":"https:\/\/vtwinbikers.com\/products\/kpmi-white-diamond-intake-valve-m8-1-630-os-191-17042","provider":"Vtwinbikers","version":"1.0","type":"link"}