{"product_id":"kibblewhite-top-end-kit-suzuki-dr-z400","title":"KIBBLEWHITE - TOP END KIT - SUZUKI DR-Z400","description":"\u003ch2\u003eKibblewhite Top End Kit for the 2000–2024 Suzuki DR-Z400\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003eRestore and reinforce your DR-Z400 with the Kibblewhite Top End Service Kit. This isn't just a standard rebuild—it is a performance and reliability upgrade designed to eliminate the common failures associated with the factory Suzuki valve train.\u003c\/p\u003e\n\u003cp\u003eThe centerpiece of this kit is the Black Diamond™ Stainless Steel Valves, which provide more than twice the service life of original equipment. Paired with a precision-machined 2618 alloy piston and a racing-grade dual valve spring kit, this system is engineered to thrive under the high-RPM stress of off-road and supermoto riding.\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBlack Diamond™ Valves: Precision-machined stainless steel valves with a specialized treatment that increases durability and heat resistance far beyond OEM titanium parts.\u003c\/li\u003e\n\u003cli\u003eLightweight Dual Valve Springs: Includes high-tensile chrome silicone springs that allow the engine to rev higher safely. They are compatible with high-lift performance camshafts (up to .440\" lift).\u003c\/li\u003e\n\u003cli\u003eTitanium Spring Retainers: Reduces moving mass in the cylinder head, improving throttle response and high-RPM stability.\u003c\/li\u003e\n\u003cli\u003eCNC Machined 2618 Piston: A lightweight, skirt-coated piston that maintains your stock compression ratio while offering superior strength and heat dissipation.\u003c\/li\u003e\n\u003cli\u003eComplete System Integrity: Every component (valves, springs, and piston) is designed to work as a matched system for optimized airflow and reliability.\u003c\/li\u003e\n\u003cli\u003ePro-Grade Gaskets: Includes a premium Cometic top-end gasket kit for a leak-free seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch4\u003e2000–2024 – Suzuki DR-Z400\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2000–2024 – Suzuki DR-Z400SM\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eIn The Box:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"gmail_default\"\u003e -  \u003c\/span\u003e2618 Aluminum Alloy Piston (with rings, wrist pin, and circlips)\u003c\/li\u003e\n\u003cli\u003e2\u003cspan class=\"gmail_default\"\u003e  - \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIntake Valves \u0026amp; (2) Exhaust Valves (Stainless Steel)\u003c\/li\u003e\n\u003cli\u003e1\u003cspan class=\"gmail_default\"\u003e  -\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"gmail_default\"\u003e \u003c\/span\u003eLightweight Dual Spring Kit (with Titanium retainers and steel base washers)\u003c\/li\u003e\n\u003cli\u003e4\u003cspan class=\"gmail_default\"\u003e  - \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eViton® Valve Stem Seals\u003c\/li\u003e\n\u003cli\u003e1\u003cspan class=\"gmail_default\"\u003e  - \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eCometic Top End Gasket Kit (Head, base, exhaust, and tensioner gaskets)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"0\"\u003e\u003cbr\u003eWhen installing the \u003cb data-index-in-node=\"20\" data-path-to-node=\"0\"\u003eKibblewhite Top End Service Kit (60-61850)\u003c\/b\u003e, you should adhere to the factory Suzuki DR-Z400 valve clearance (lash) specifications. Even with the upgrade to stainless steel valves and heavy-duty springs, these OEM tolerances remain the industry standard for a reliable rebuild.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"1\"\u003eSuzuki DR-Z400 Valve Lash Specifications:\u003c\/h4\u003e\n\u003cp data-path-to-node=\"2\"\u003eClearances must be measured when the engine is \u003cb data-index-in-node=\"47\" data-path-to-node=\"2\"\u003ecompletely cold\u003c\/b\u003e and the piston is at \u003cb data-index-in-node=\"84\" data-path-to-node=\"2\"\u003eTop Dead Center (TDC)\u003c\/b\u003e on the compression stroke.\u003c\/p\u003e\n\u003ctable data-path-to-node=\"3\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMetric Spec (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Spec (in)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"3,1,0,0\"\u003eIntake\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,1,1,0\"\u003e0.10mm – 0.20mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,1,2,0\"\u003e0.0039\" – 0.0079\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"3,2,0,0\"\u003eExhaust\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,2,1,0\"\u003e0.20mm – 0.30mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"3,2,2,0\"\u003e0.0079\" – 0.0118\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":47506380914853,"sku":"KBLWHT-TOP-END-DR-Z400","price":619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/Kibblewhite_Top_End_Kit_Suzuki_DR-Z400.png?v=1771441843","url":"https:\/\/www.tmbrmoto.com\/products\/kibblewhite-top-end-kit-suzuki-dr-z400","provider":"TMBR MOTO","version":"1.0","type":"link"}