{"product_id":"2005-honda-trx400ex-complete-engine-rebuild-kit","title":"2005+ TRX 400EX 400X Full Top Bottom End Engine Rebuild Set Forged Piston Crank","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000000px; color: transparent;\"\u003eComplete top and bottom end rebuild kit for 2005+ Honda TRX400EX and 400X. Includes forged piston, crankshaft, bearings, seals, clutch kit and titanium studs. \u003c\/span\u003e\u003c\/p\u003e\u003cdiv style=\"max-width:800px;margin:0 auto;font-family:Arial,Helvetica,sans-serif;line-height:1.5;color:#222;\"\u003e \u003ch2 style=\"text-align:center;font-size:26px;margin:0 0 12px 0;\"\u003e \u003cstrong\u003e2005+ Honda TRX400EX 400X Complete Engine Rebuild Kit – Top \u0026amp; Bottom End\u003c\/strong\u003e \u003c\/h2\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e📖 Product Description\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e Give your quad a full performance overhaul with the \u003cstrong\u003eBPRATV Complete Top \u0026amp; Bottom End Engine Rebuild Kit\u003c\/strong\u003e for 2005+ Honda TRX400EX and 400X models. This all-in-one motor assembly set includes premium forged internals, upgraded valvetrain components, complete gasket and seal kits, and heavy-duty drivetrain upgrades to rebuild your engine the right way — the first time. \u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e Whether you're restoring a worn-out engine or building a stronger, more reliable trail or track machine, this kit delivers improved durability, smoother power delivery, and high-revving performance that outlasts stock components. \u003c\/span\u003e\u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🔥 Key Features \u0026amp; Complete Kit Contents\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e Every major wear component from the crankshaft up is included for a true full motor rebuild. \u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eNew aftermarket 85mm stock bore cylinder\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eForged piston\u003c\/strong\u003e (Wiseco, Wossner, CP Carrillo, or JE based on availability)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eNitrite-coated piston rings\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eChrome wristpin and circlips\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eHot Rods or Wiseco crankshaft with connecting rod\u003c\/strong\u003e (based on availability)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eMain crank bearings\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eComplete transmission bearing set\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eTalon Titanium head stud kit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eComplete gasket kit\u003c\/strong\u003e including MLS head gasket, base gasket, intake, exhaust, case, clutch cover, pump covers, and O-rings\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eComplete crankcase oil seal kit\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eBPRATV Heavy-Duty cam chain conversion\u003c\/strong\u003e (wider than OEM chain)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eBPRATV Talon clutch kit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eNGK spark plug\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e✅ Compatibility\u003c\/h3\u003e \u003cp style=\"text-align:center;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e Designed specifically for late-model Honda 400 platforms. \u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eHonda TRX400EX – 2005 and newer models\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eHonda TRX400X – All years (2009+)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eAir-cooled 397cc Honda 400 engine platform\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eStock bore 85mm configuration\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eCompatible with pump gas or race gas setups\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e❓ Frequently Asked Questions (FAQ)\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is this a complete top and bottom end rebuild kit?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. This kit includes cylinder, piston assembly, crankshaft, bearings, seals, gasket kit, cam chain, clutch kit, and ignition components for a full engine rebuild.\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Which piston and crank brand will I receive?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Forged pistons may be Wiseco, Wossner, CP Carrillo, or JE. Crankshafts may be Hot Rods or Wiseco depending on inventory. You may contact us with a preference, but we cannot guarantee a specific brand — only what is in stock at the time of shipment.\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is this stock bore or big bore?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This kit uses a new 85mm stock bore cylinder, making it ideal for reliable performance rebuilds without displacement increase.\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ: Is there a warranty included?\u003c\/strong\u003e\u003c\/span\u003e \u003cp style=\"text-align:left;margin:0 0 10px 0;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. This rebuild kit includes a 1-year limited warranty* covering manufacturer defects.\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🌟 Why Buy from BPRATV? Honda 400 Performance Experts 🌟\u003c\/h3\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e At BPRATV, our promise is unwavering: \u003cstrong\u003eThe Best Parts. The Best Performance.\u003c\/strong\u003e We specialize in complete Honda 400 engine builds using proven forged internals and upgraded components that outperform stock parts in durability and reliability. Trust BPRATV to keep your Honda TRX400EX or 400X running at its best, every single time. \u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"color:#38761d;font-size:16px;\"\u003e\u003cstrong\u003e\u003cem\u003eRebuild it right. Ride harder. Order your complete engine kit today!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"color:#0000ff;font-size:16px;\"\u003e\u003cstrong\u003eBPRATV - The Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e\u003cspan style=\"color:#0000ff;font-size:16px;\"\u003e\u003cstrong\u003eBRAPPPPPPPPPP!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;font-size:10px;color:#555;margin:20px 0 0px;\"\u003e © BPRATV LLC 1-year limited warranty from the manufacturer for material or workmanship defects.*\u003cbr\u003e\u003cbr\u003e Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and\/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and\/or may cause the vehicle to be illegal in some locations. \u003cbr\u003e\u003cbr\u003e This product is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code §§ 27156 and 38391]. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition\/racing and not used for any recreational purpose or on public highways or rights of way maintained by and open to the public. This product is sold only in connection with machines that do not fall under state and\/or federal noise or emission standards\/regulations. Purchasers who purchase this product represent and warrant that the product is purchased only in connection with EPA-certified, emission-regulations-exempt and noise-regulations-exempt competition\/racing vehicles as interpreted under applicable state and\/or federal law. \u003c\/p\u003e\n\u003cp style=\"text-align:center;font-size:10px;color:#555;margin:20px 0 0px;\"\u003e\u003c\/p\u003e \u003c\/div\u003e \u003c!-- SEO Optimized URL Handles: 2005-honda-trx400ex-complete-engine-rebuild-kit honda-400x-top-bottom-end-motor-rebuild-kit-05-up trx400ex-400x-stock-bore-85mm-complete-engine-kit honda-400ex-full-motor-assembly-rebuild-set-2005 bpratv-trx400ex-400x-complete-top-bottom-end-kit Meta Title: 2005+ Honda TRX400EX 400X Complete Engine Rebuild Kit Meta Description: Complete top and bottom end rebuild kit for 2005+ Honda TRX400EX and 400X. Includes forged piston, crankshaft, bearings, seals, clutch kit and titanium studs. --\u003e","brand":"BPRATV","offers":[{"title":"Default Title","offer_id":45920028557509,"sku":"255040076216\/3P-400\/4606M8500*\/4040\/3PHD\/TBK0012","price":1048.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/files\/255040076216-0.jpg?v=1772390911","url":"https:\/\/bpratv.com\/products\/2005-honda-trx400ex-complete-engine-rebuild-kit","provider":"BPRATV","version":"1.0","type":"link"}