{"product_id":"engine-valve-pair-honda-trx300-88-00-300fw-88-00","title":"Engine Valve Pair For Honda TRX300 1988-2000 And TRX300FW 1988-2000 - Intake And Exhaust Valves","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEngine Valve Pair for Honda TRX300 (1988-2000) — aftermarket replacement valves designed to restore reliable performance for Honda's popular ATV. This set includes both intake and exhaust valves, precisely machined to meet factory tolerances for proper seating and airflow. Ideal for engine rebuilds, maintenance, or performance refresh on Honda TRX300 and TRX300FW models from 1988 through 2000.\u003c\/span\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\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\u003eHonda\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTRX300 FourTrax 2WD\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1988–2000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntake and Exhaust Valve Pair\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\u003eTRX300FW FourTrax 4WD\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1988–2000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntake and Exhaust Valve Pair\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\u003eType\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\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHonda TRX300 1988–2000; TRX300FW 1988–2000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eContents\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntake valve and Exhaust valve (pair)\u003c\/span\u003e\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-1016-EX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (Vesrah Steel Exhaust Valve) \u003c\/span\u003e\u003ca href=\"https:\/\/www.3pracing.com\/en\/atv\/engine\/cylinder-head-atv.html?___from_store=en\u0026amp;dir=asc\u0026amp;limit=9\u0026amp;manufacturer=1171\u0026amp;mode=list\u0026amp;order=position\u0026amp;p=8\u0026amp;p37_diameter=759\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\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\u003eNotes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThis aftermarket valve pair is designed to align with OEM specifications for the Honda TRX300 engine. Proper installation may require inspection of valve seats and clearance per service manual to ensure optimal sealing and performance. Suitable for owners rebuilding or refreshing worn valves to restore compression, throttle response, and overall engine reliability.\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 Cross-Reference Information\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\u003eOriginal Part Number\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\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\u003e\u003cstrong\u003e\u003cspan\u003e14721-HA0-003\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eExhaust Valve - Genuine Honda OEM part number for TRX300 (1988-2000) and related models \u003c\/span\u003e\u003ca href=\"https:\/\/www.ebay.com\/itm\/HONDA-ATC250-TRX250-TRX300-ENGINE-EXHAUST-VALVE-1985-2000-OEM-14721-HA0-003-\/371771552621?vxp=mtr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eGG-1016-EX\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eVesrah Steel Exhaust Valve - Direct aftermarket replacement for Honda TRX300 FourTrax (1988-2000) \u003c\/span\u003e\u003ca href=\"https:\/\/www.3pracing.com\/en\/atv\/engine\/cylinder-head-atv.html?___from_store=en\u0026amp;dir=asc\u0026amp;limit=9\u0026amp;manufacturer=1171\u0026amp;mode=list\u0026amp;order=position\u0026amp;p=8\u0026amp;p37_diameter=759\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\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 TRX300 FourTrax 2WD and TRX300FW FourTrax 4WD models (1988–2000) \u003c\/span\u003e\u003ca href=\"https:\/\/www.3pracing.com\/en\/atv\/engine\/cylinder-head-atv.html?___from_store=en\u0026amp;dir=asc\u0026amp;limit=9\u0026amp;manufacturer=1171\u0026amp;mode=list\u0026amp;order=position\u0026amp;p=8\u0026amp;p37_diameter=759\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.ebay.com\/itm\/HONDA-ATC250-TRX250-TRX300-ENGINE-EXHAUST-VALVE-1985-2000-OEM-14721-HA0-003-\/371771552621?vxp=mtr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.vividracing.com\/wiseco-top-end-kit-valve-7500-100-10251-honda-trx300-fourtrax-19882000-p-153823584.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOEM Cross-Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Exhaust valve cross-references genuine Honda part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e14721-HA0-003\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for confident replacement \u003c\/span\u003e\u003ca href=\"https:\/\/www.ebay.com\/itm\/HONDA-ATC250-TRX250-TRX300-ENGINE-EXHAUST-VALVE-1985-2000-OEM-14721-HA0-003-\/371771552621?vxp=mtr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\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 exhaust valves (\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGG-1016-EX\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) specifically for these models \u003c\/span\u003e\u003ca href=\"https:\/\/www.3pracing.com\/en\/atv\/engine\/cylinder-head-atv.html?___from_store=en\u0026amp;dir=asc\u0026amp;limit=9\u0026amp;manufacturer=1171\u0026amp;mode=list\u0026amp;order=position\u0026amp;p=8\u0026amp;p37_diameter=759\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\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\u003ca href=\"https:\/\/www.3pracing.com\/en\/atv\/engine\/cylinder-head-atv.html?___from_store=en\u0026amp;dir=asc\u0026amp;limit=9\u0026amp;manufacturer=1171\u0026amp;mode=list\u0026amp;order=position\u0026amp;p=8\u0026amp;p37_diameter=759\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\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\u003eRestores Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New valves improve compression, throttle response, and overall engine reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eProven Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The TRX300 engine platform has extensive aftermarket support, with top-end rebuild kits, pistons, and related components readily available from manufacturers like WSM and Wiseco \u003c\/span\u003e\u003ca href=\"https:\/\/www.denniskirk.com\/wsm\/top-end-rebuild-kit-74-75mm-bore-54-223-13.p14009343.prd\/14009343.sku?site_preference=mobile\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.vividracing.com\/wiseco-top-end-kit-valve-7500-100-10251-honda-trx300-fourtrax-19882000-p-153823584.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\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.\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\u003eService manuals are available for these models and provide detailed cylinder head and valve service procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTop-end rebuild kits including pistons, rings, gaskets, and related components are available separately for complete engine restoration \u003c\/span\u003e\u003ca href=\"https:\/\/www.denniskirk.com\/wsm\/top-end-rebuild-kit-74-75mm-bore-54-223-13.p14009343.prd\/14009343.sku?site_preference=mobile\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.vividracing.com\/wiseco-top-end-kit-valve-7500-100-10251-honda-trx300-fourtrax-19882000-p-153823584.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\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 cut into work time or spoil a ride. Restore your Honda TRX300 FourTrax engine's performance with this quality aftermarket valve pair, designed to keep you working and 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":57319567720822,"sku":"181.0702","price":31.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/image_2026-02-23_182020520.png?v=1774886317","url":"https:\/\/dgtagri.co.uk\/products\/engine-valve-pair-honda-trx300-88-00-300fw-88-00","provider":"DGT Agri","version":"1.0","type":"link"}