{"product_id":"kpmi-valve-guide-in-ex-0-001-bronze-hd-evolution-1987-1999-191-57004","title":"KPMI Valve Guide - IN \/ EX +0.001 Bronze HD Evolution 1987-1999 — Harley-Davidson (1984-2004)","description":"\u003cp\u003eKPMI valve guide in bronze for Harley Evolution engines 1987–1999, sized at +0.001 in oversized for intake and exhaust ports. Direct OEM replacement for worn guides that affect valve sealing and engine performance.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBronze construction\u003c\/li\u003e\n  \u003cli\u003eOversized +0.001 in\u003c\/li\u003e\n  \u003cli\u003eFits both intake and exhaust ports\u003c\/li\u003e\n  \u003cli\u003eDirect OEM replacement\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 20-4321\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Bronze\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1.15 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 3.45 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 0.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Evolution engines 1987 through 1999. This is an oversized +0.001 in guide for both intake and exhaust valve ports.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does +0.001 oversized mean?\u003c\/h3\u003e\n\u003cp\u003eThe guide is 0.001 inches larger in diameter than stock, designed to fit worn valve seats after a slight machine operation on the cylinder head.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my 2000+ Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this guide is for Evolution engines only, 1987-1999. Newer Twin Cam and Milwaukee-Eight engines use different guide specifications.\u003c\/p\u003e\n\u003ch3\u003eDo I need both intake and exhaust guides?\u003c\/h3\u003e\n\u003cp\u003eThis part fits both intake and exhaust valve ports. Order the quantity needed for your engine rebuild or valve seat service.\u003c\/p\u003e\n\u003ch3\u003eIs professional installation required?\u003c\/h3\u003e\n\u003cp\u003eValve guide installation requires precise machining and press-fitting into the cylinder head. Professional machine shop installation is recommended.\u003c\/p\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":53035006361711,"sku":"191-57004","price":37.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_81539dec-de66-4b41-bb5c-1bf2e67eee1a.png?v=1779559029","url":"https:\/\/vtwinbikers.com\/products\/kpmi-valve-guide-in-ex-0-001-bronze-hd-evolution-1987-1999-191-57004","provider":"Vtwinbikers","version":"1.0","type":"link"}