{"product_id":"yamaha-660-cylinder-head-complete-valves-springs","title":"Rhino Grizzly YXR 660 Assembled Cylinder Head Assembly Valves Springs Installed!","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 0.000000px; color: transparent;\"\u003eYamaha 660 head assembly fits Rhino and Grizzly models includes full valve train components for dependable engine repair. \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\u003eYamaha Rhino Grizzly 660 Cylinder Head Assembly YXR660 YFM660 Valves Springs\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;margin:0 20px;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e Upgrade or replace your worn top end with this \u003cstrong\u003ebrand new aftermarket cylinder head assembly\u003c\/strong\u003e designed for the \u003cstrong\u003eYamaha Rhino 660 and Grizzly 660\u003c\/strong\u003e platforms. This fully assembled head comes complete with \u003cstrong\u003evalves, valve springs, retainers, seats, keepers, and seals\u003c\/strong\u003e, providing a ready-to-install solution for engine rebuilds and performance restoration. \u003c\/span\u003e \u003c\/p\u003e\n\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=\"font-size:16px;\"\u003e Engineered for durability and reliability, this \u003cstrong\u003ecomplete cylinder head assembly\u003c\/strong\u003e restores compression, improves airflow, and helps bring your engine back to peak performance. Ideal for rebuilds, repairs, or replacing damaged OEM heads, this unit is designed to work with both new and existing valve covers (machining required for proper fitment). \u003c\/span\u003e \u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e🔥 Key Features \u0026amp; Benefits\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eFully assembled cylinder head\u003c\/strong\u003e for faster installation and reduced downtime\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eIncludes complete valve train components\u003c\/strong\u003e – valves, springs, retainers, keepers, seals, and seats\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eRestores engine compression and performance\u003c\/strong\u003e for worn or damaged engines\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eDirect replacement\u003c\/strong\u003e for Yamaha OEM part # 5KM-11101-01-00\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCompatible with new or used valve covers\u003c\/strong\u003e (machining required)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eIdeal for rebuilds and performance maintenance\u003c\/strong\u003e on 660 Yamaha engines\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e📦 Product Contents\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eComplete cylinder head casting\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eIntake and exhaust valves\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eValve springs\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eValve retainers\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eValve keepers (locks)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eValve seats\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eValve stem seals\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 \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eYamaha Grizzly 660 4x4\u003c\/strong\u003e (2002–2008)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eYamaha Rhino 660\u003c\/strong\u003e (2004–2007)\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003eReplaces OEM Part #: \u003cstrong\u003e5KM-11101-01-00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eNot compatible with Yamaha Raptor 660\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cp style=\"text-align:center;margin:0 20px;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e \u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e The cylinder head and valve cover must be machined to match each other to ensure proper sealing and performance. This is a standard process and can be completed by any qualified local machine shop. \u003c\/span\u003e \u003c\/p\u003e \u003ch3 style=\"color:#c00;margin:20px 0 6px;text-align:center;\"\u003e❓ FAQ\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this cylinder head fully assembled?\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, it comes fully assembled with valves, springs, retainers, keepers, seats, and seals installed.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this include the valve cover?\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 No, the valve cover is not included. It is designed to work with your existing or new cover.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is machining required?\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, the head and valve cover must be machined to match each other for proper sealing and fitment.\u003c\/span\u003e \u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit a Yamaha Raptor 660?\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 No, this cylinder head is not compatible with the Yamaha Raptor 660.\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\u003c\/h3\u003e \u003cp style=\"color: rgb(34, 34, 34); text-align: center;\"\u003e \u003cspan style=\"font-size:16px;\"\u003e At \u003cstrong\u003eBPRATV\u003c\/strong\u003e, our promise is unwavering: \u003cstrong\u003eThe Best Parts. The Best Performance. The Best Price.\u003c\/strong\u003e We specialize in high-performance powersports components trusted by riders and builders who demand reliability and results. Every part is carefully selected for precision, durability, and real-world performance. Trust BPRATV to keep your \u003cstrong\u003eYamaha Rhino and Grizzly 660 ATV\/UTV\u003c\/strong\u003e running at its best, \u003cstrong\u003eevery single time.\u003c\/strong\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\u003eRestore your Yamaha 660 engine performance with this complete cylinder head assembly—order today!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"text-align:center;\"\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;\"\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 50px;\"\u003e© BPRATV LLC\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. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition\/racing.\u003c\/p\u003e \u003c\/div\u003e \u003c!-- 10 eBay Titles Yamaha Rhino Grizzly 660 Cylinder Head Assembly Valves Springs YXR YFM660 Yamaha 660 Cylinder Head Assembly Rhino Grizzly Valves Springs 5KM-11101 Rhino 660 Cylinder Head Assembly Yamaha Grizzly 660 Valves Springs Complete Yamaha Grizzly Rhino 660 Cylinder Head Valves Springs Assembly Replacement YXR660 YFM660 Cylinder Head Assembly Yamaha Rhino Grizzly Valves Springs Yamaha Rhino 660 Head Assembly Valves Springs Grizzly 660 Cylinder Head Grizzly 660 Cylinder Head Assembly Yamaha Rhino 660 Valves Springs Head Yamaha 660 Head Assembly Cylinder Head Rhino Grizzly Valves Springs Kit Rhino Grizzly 660 Cylinder Head Complete Valves Springs Yamaha Replacement Yamaha 660 Cylinder Head Replacement Rhino Grizzly Assembly Valves Springs 10 eBay Keywords rhino 660 cylinder head grizzly 660 head assembly yamaha 660 cylinder head yfm660 head replacement yxr660 cylinder head rhino 660 engine head grizzly 660 engine head yamaha 660 valve head 660 atv cylinder head yamaha head assembly 660 10 SEO Keywords yamaha rhino 660 cylinder head assembly yamaha grizzly 660 head replacement yfm660 cylinder head with valves yxr660 engine head assembly yamaha 660 top end cylinder head rhino 660 head rebuild part grizzly 660 valve head assembly yamaha 660 engine cylinder head atv cylinder head yamaha 660 yamaha 660 complete head assembly 10 Meta Titles Yamaha Rhino Grizzly 660 Cylinder Head Assembly Valves Springs Yamaha 660 Cylinder Head Assembly Rhino Grizzly Replacement Rhino 660 Cylinder Head Assembly Yamaha YXR660 YFM660 Grizzly 660 Cylinder Head Assembly Valves Springs Replacement Yamaha YFM660 Cylinder Head Assembly Complete Replacement Yamaha Rhino 660 Engine Cylinder Head Assembly Valves Grizzly Rhino 660 Cylinder Head Replacement Assembly Yamaha 660 ATV Cylinder Head Assembly Valves Springs Rhino 660 Head Assembly Replacement Yamaha Cylinder Head Yamaha 660 Cylinder Head Complete Assembly Valves Springs 10 Meta Descriptions Replace your Yamaha Rhino or Grizzly 660 cylinder head with this complete assembly including valves springs and seals for reliable engine performance. Complete Yamaha 660 cylinder head assembly for Rhino and Grizzly models includes valves springs retainers and seals for engine rebuilds. Restore performance with Yamaha Rhino 660 and Grizzly 660 cylinder head assembly complete with valves and springs replacement. Yamaha 660 head assembly fits Rhino and Grizzly models includes full valve train components for dependable engine repair. High quality Yamaha 660 cylinder head assembly for YXR660 and YFM660 includes valves springs seals and retainers. Rebuild your Yamaha Rhino 660 engine with complete cylinder head assembly including full valve train components. Yamaha Grizzly 660 cylinder head replacement assembly with valves springs and seals for top end engine repair. Direct replacement Yamaha 660 cylinder head assembly for Rhino and Grizzly includes complete valve setup. Yamaha 660 ATV cylinder head assembly includes valves springs retainers and seals for reliable rebuild performance. Upgrade your Yamaha Rhino Grizzly 660 engine with complete cylinder head assembly replacement part. SEO URL Handles yamaha-rhino-grizzly-660-cylinder-head-assembly yamaha-660-cylinder-head-complete-valves-springs yfm660-yxr660-engine-cylinder-head-replacement rhino-660-grizzly-660-head-assembly-complete yamaha-660-atv-cylinder-head-valves-springs --\u003e","brand":"BPRATV","offers":[{"title":"Default Title","offer_id":42051890184389,"sku":"285132902574\/1220A-007DA","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/1083\/3861\/products\/285132902574-1.jpg?v=1776468649","url":"https:\/\/bpratv.com\/products\/yamaha-660-cylinder-head-complete-valves-springs","provider":"BPRATV","version":"1.0","type":"link"}