{"product_id":"1989-2004-kawasaki-kx500-center-power-valve-assembly-12023-1058-12005-1111","title":"1989-2004 Kawasaki KX500 Center Power Valve assembly| 12023-1058 \u0026 12005-1111","description":"\u003cp\u003e\u003cspan\u003eThe ultimate upgrade for the legendary KX500 power valve system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stock center power valve assembly is a notorious wear item, prone to carbon pitting, binding, and structural fatigue under the violent exhaust pulses of a 500cc two-stroke. We’ve completely re-engineered this critical component using cutting-edge manufacturing technology.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy leveraging \u003c\/span\u003e\u003cspan\u003emodern metal 3D printing\u003c\/span\u003e\u003cspan\u003e, we’ve integrated complex internal features that are physically impossible to achieve with conventional machining or casting. This allows us to pull weight out of the assembly—making it \u003c\/span\u003e\u003cspan\u003elighter than stock\u003c\/span\u003e\u003cspan\u003e to reduce strain on your power valve linkage—while dramatically increasing overall durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e 3D-Printed 316SS Center Exhaust Valve Flapper (OEM Ref: ⁠12005-1111⁠)\u003c\/li\u003e\n\u003cli\u003e 3D-Printed 316SS Center Valve Holder (OEM Ref: ⁠12023-1058⁠)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWhy 316 Stainless Steel \u0026amp; Metal 3D Printing?\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eLighter Than Stock:\u003c\/span\u003e\u003cspan\u003e Advanced internal pocketing reduces moving mass without sacrificing structural integrity, reducing wear and tear on the critical operating mechanism.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCorrosion \u0026amp; Carbon Resistance:\u003c\/span\u003e\u003cspan\u003e Grade 316 stainless steel naturally resists the corrosive exhaust gases and aggressive carbon buildup that plague stock components, making cleanup during routine maintenance incredibly easy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEngineered to withstand extreme two-stroke heat and vibration without warping or cracking, ensuring your powerband remains predictable and crisp ride after ride.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eDrop-In Fitment:\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered to seamlessly replace OEM part numbers \u003c\/span\u003e\u003cspan\u003e⁠12023-1058⁠\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003e⁠12005-1111⁠\u003c\/span\u003e\u003cspan\u003e inside the stock 1989–2004 cylinder.\u003c\/span\u003e\u003c\/p\u003e","brand":"🏁Two-Strokes Only🏁","offers":[{"title":"Default Title","offer_id":53581717504279,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/3818\/7543\/files\/IMG-8229.heic?v=1782517500","url":"https:\/\/twostrokesonly.com\/products\/1989-2004-kawasaki-kx500-center-power-valve-assembly-12023-1058-12005-1111","provider":"🏁Two-Strokes Only🏁","version":"1.0","type":"link"}