{"product_id":"engine-valve-pair-honda-trx350d-86-89","title":"Engine Valve Pair – Honda ATC350X \/ TRX350D FourTrax (1985–1989)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEngine Valve Pair for Honda ATC350X \/ TRX350D — high-quality aftermarket replacement valves designed to restore performance on classic Honda four-stroke models. This set includes intake and exhaust valves in pairs, engineered for reliability under demanding riding conditions. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNote: Two valve pairs are required to complete one cylinder.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eModels \/ Series\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eYears \/ Details\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eATC350X\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1985–1986 — Confirmed fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTRX350D FourTrax\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1986–1989 — Confirmed fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e \u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePart Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Valve Pair (Intake \u0026amp; Exhaust)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIncluded Valves\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntake and Exhaust valves — sold in pairs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCylinder Requirement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTwo valve pairs required per cylinder\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket Reference (Intake)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003cspan\u003eGG-1017-IN\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (Vesrah Steel Intake Valve)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket Reference (Exhaust)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003cspan\u003eGG-1017-EX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (Vesrah Steel Exhaust Valve)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAftermarket Reference (Intake)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003cspan\u003eGG-1021-IN\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (Vesrah Steel Intake Valve for TRX350D)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% New Aftermarket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHonda ATC350X (1985-1986) and TRX350D (1986-1989) valve replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e \u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOEM \u0026amp; Aftermarket Cross-Reference Information\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area _1210dd7 c03cafe9\"\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 19.3025%;\"\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 80.3365%;\"\u003e\u003cspan\u003eCross-Reference Notes\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 19.3025%;\"\u003e\u003cstrong\u003e\u003cspan\u003eGG-1017-IN\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.3365%;\"\u003e\u003cspan\u003eVesrah Steel Intake Valve - Direct aftermarket replacement for Honda ATC350X (1985-1987)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 19.3025%;\"\u003e\u003cstrong\u003e\u003cspan\u003eGG-1017-EX\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.3365%;\"\u003e\u003cspan\u003eVesrah Steel Exhaust Valve - Direct aftermarket replacement for Honda ATC350X (1985-1987) and TRX350D (1987-1989)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 19.3025%;\"\u003e\u003cstrong\u003e\u003cspan\u003eGG-1021-IN\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.3365%;\"\u003e\u003cspan\u003eVesrah Steel Intake Valve - Direct aftermarket replacement for Honda TRX350 Fourtrax (1986-1987) and TRX350D (1987-1989)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 19.3025%;\"\u003e\u003cstrong\u003e\u003cspan\u003e12233-HA5-305\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 80.3365%;\"\u003e\u003cspan\u003eValve Guide (O.S.) - Genuine Honda OEM part number for TRX350D (1987) and related models\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan\u003eOEM cross-reference numbers are provided for reference purposes only. Always verify fitment using your machine's exact model, year, and original part number before ordering.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose This Aftermarket Valve Pair?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDirect-Fit Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Precision-engineered for Honda ATC350X (1985–1986) and TRX350D FourTrax (1986–1989) models .\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eProven Aftermarket Support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vesrah, a respected aftermarket brand, manufactures compatible intake and exhaust valves specifically for these models:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eGG-1017-IN\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGG-1017-EX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for ATC350X applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eGG-1021-IN\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for TRX350D intake applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVesrah Quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vesrah valves undergo automated manufacturing from material shearing through final inspection, with strict quality control ensuring quality equal to or even better than OEM equipment .\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOEM Support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Genuine Honda valve guides (\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12233-HA5-305\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) are available and confirmed compatible with TRX350D models, ensuring complete rebuild options .\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eSold in Pairs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Each pair includes one intake and one exhaust valve for balanced valvetrain replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eComplete Cylinder Coverage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTwo pairs required\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to fully valve one cylinder (four valves total) for these Honda engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRestores Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New valves improve compression, combustion efficiency, and overall engine output for these classic Honda models.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eInstallation Notes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eAlways check valve-to-guide clearance during installation; valve guides are available separately (part \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12233-HA5-305\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) .\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eInspect valve seats and recut or replace if necessary.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUse new valve seals and springs where recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eProperly lap valves to ensure a gas-tight seal.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eVerify valve stem clearance falls within factory specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFollow manufacturer torque specifications for assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTwo valve pairs are required to complete one cylinder for these engine configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWhy Upgrade?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWorn or burnt valves can cause low compression, hard starting, rough running, and loss of power—frustrations that spoil a ride. Restore your classic Honda ATC350X or TRX350D engine's performance with this quality aftermarket valve pair, designed to keep you riding with confidence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOrder your engine valve pair today and get back on the trail with confidence.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319567655286,"sku":"181.07018","price":29.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/image_2026-02-23_182346465.png?v=1774886317","url":"https:\/\/dgtagri.co.uk\/products\/engine-valve-pair-honda-trx350d-86-89","provider":"DGT Agri","version":"1.0","type":"link"}