{"product_id":"55lb-dual-valve-spring-196cc-225cc","title":"55lb Dual Valve Spring 196cc-225cc","description":"\u003cdiv style=\"font-family: 'Arial Black', Arial, sans-serif; width: 100%; line-height: 1.8; color: #1f2937; background-color: #f9fafb; padding: 20px; border-radius: 4px; border: 1px solid #d1d5db; box-sizing: border-box;\"\u003e\n\n  \u003c!-- 产品主标题 --\u003e\n  \u003ch2 style=\"color: #111827; border-bottom: 3px solid #ff9900; padding-bottom: 10px; margin: 0 0 20px 0; font-size: 22px; letter-spacing: 0.5px;\"\u003e\n    🔧 High Performance Dual Valve Springs | For 196cc–225cc Honda Clone \/ Tillotson 225 | High RPM Racing\n  \u003c\/h2\u003e\n\n  \u003c!-- 适配信息 --\u003e\n  \u003cdiv style=\"background: #ffffff; border-left: 4px solid #ff9900; padding: 18px; margin-bottom: 16px; border: 1px solid #e5e7eb; width: 100%; box-sizing: border-box;\"\u003e\n    \u003ch3 style=\"color: #111827; margin: 0 0 12px; font-size: 18px;\"\u003e✅ Fitment\u003c\/h3\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 15px; list-style: none;\"\u003e\n      \u003cli style=\"margin-bottom: 4px;\"\u003e• For heavily modified high-HP, high-revving 196cc–225cc small block Honda clone engines\u003c\/li\u003e\n      \u003cli\u003e• For Tillotson 225 racing engines\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 规格参数 --\u003e\n  \u003cdiv style=\"background: #f3f4f6; padding: 18px; margin-bottom: 16px; border: 1px solid #d1d5db; width: 100%; box-sizing: border-box;\"\u003e\n    \u003ch3 style=\"color: #111827; margin: 0 0 12px; font-size: 18px;\"\u003e📐 Specifications\u003c\/h3\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 15px; list-style: none;\"\u003e\n      \u003cli style=\"margin-bottom: 4px;\"\u003e• Configuration: \u003cspan style=\"color: #ff9900; font-weight: bold;\"\u003eDual valve springs (set of 4 total springs)\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli style=\"margin-bottom: 4px;\"\u003e• Load at .880\" installed height: \u003cspan style=\"color: #ff9900; font-weight: bold;\"\u003e~50 lbs\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e• Load at .850\" installed height: \u003cspan style=\"color: #ff9900; font-weight: bold;\"\u003e~55 lbs\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 核心性能特性 --\u003e\n  \u003cdiv style=\"background: #ffffff; padding: 18px; margin-bottom: 16px; border: 1px solid #e5e7eb; width: 100%; box-sizing: border-box;\"\u003e\n    \u003ch3 style=\"color: #111827; margin: 0 0 12px; font-size: 18px;\"\u003e🚀 Product Features\u003c\/h3\u003e\n\n    \u003cp style=\"margin: 0 0 12px; font-size: 15px; font-weight: bold; color: #ff9900;\"\u003e\n      1. High-RPM Anti-Float Design\n    \u003c\/p\u003e\n    \u003cul style=\"margin: 0 0 16px; padding-left: 40px; font-size: 15px;\"\u003e\n      \u003cli\u003eEngineered with a higher spring rate than stock valve springs to effectively prevent valve float at extreme high RPM, maintaining stable valvetrain control in high-performance racing conditions.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp style=\"margin: 0 0 12px; font-size: 15px; font-weight: bold; color: #ff9900;\"\u003e\n      2. Dual Spring Stability\n    \u003c\/p\u003e\n    \u003cul style=\"margin: 0 0 16px; padding-left: 40px; font-size: 15px;\"\u003e\n      \u003cli\u003eDual spring construction delivers enhanced valvetrain support, preserving consistent valve timing and lift throughout the RPM range for improved peak engine performance and responsiveness.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp style=\"margin: 0 0 8px; font-size: 15px; font-weight: bold; color: #ff9900;\"\u003e\n      3. Premium Durable Materials\n    \u003c\/p\u003e\n    \u003cul style=\"margin: 0; padding-left: 40px; font-size: 15px;\"\u003e\n      \u003cli\u003eManufactured from high-strength, heat-resistant materials for exceptional durability and long service life under extreme high-load, high-RPM engine operation.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 安装注意事项 --\u003e\n  \u003cdiv style=\"background: #fff3e0; border-left: 4px solid #ff9900; padding: 18px; border: 1px solid #ffcc80; width: 100%; box-sizing: border-box;\"\u003e\n    \u003ch3 style=\"color: #e65100; margin: 0 0 12px; font-size: 18px;\"\u003e⚠️ Installation Notes\u003c\/h3\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 15px; list-style: none;\"\u003e\n      \u003cli style=\"margin-bottom: 4px;\"\u003e• Requires stainless steel valves and billet or titanium retainers\u003c\/li\u003e\n      \u003cli\u003e• Valve spring pockets may require modification for proper fitment\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"supermotorparts","offers":[{"title":"Default Title","offer_id":43834370949194,"sku":"MK0797","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/9100\/1930\/files\/MK0797_1.jpg?v=1784769135","url":"https:\/\/www.supermotorparts.com\/products\/55lb-dual-valve-spring-196cc-225cc","provider":"supermotorparts","version":"1.0","type":"link"}