{"product_id":"4200-rpm-purple-stinger-spring-for-extreme-high-rpm-builds","title":"4200 RPM Purple Stinger Spring for Extreme High-RPM Builds","description":"\u003cp\u003eRadical revs require radical parts— the Purple Spring engages at 4200 RPM, perfect for overbored or piped engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePurple marking for high-end specialist identification.\u003c\/li\u003e\n\u003cli\u003eExtra tension handles intense vibrational stresses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn unrestricted classes, it maximizes airflow and rev potential, delaying drag until the perfect moment. Feel the surge as power finally connects, propelling you past rivals.\u003c\/p\u003e\u003cp\u003eFor those engineering edge-of-limit karts, this is the tune that tips scales.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose the 4200 RPM Purple Spring over lower-rated springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 4200 RPM Purple Spring is designed for high-RPM builds, such as overbored or piped engines. It delays clutch engagement to a higher RPM, allowing your engine to reach its power band before the clutch locks up, which is essential for maximizing performance in unrestricted racing classes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this spring is compatible with my current clutch setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This spring is designed for Stinger clutch systems. Because it provides extra tension to handle intense vibrational stresses, ensure your clutch drum and hub are in good condition to handle the increased engagement force.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix and match different spring colors in my clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is highly recommended to use a uniform set of springs to ensure balanced engagement. Mixing spring rates can cause uneven wear on your clutch shoes and erratic engagement, which will negatively impact your kart's handling and acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my clutch springs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Clutch springs are wear items that lose tension over time due to heat and constant cycling. If you notice your kart engaging at a lower RPM than usual or experiencing \"slipping\" during acceleration, it is time to replace your springs to maintain peak performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-4600rpm-white-spring-scspw\"\u003e4600 RPM White Stinger Spring for Peak Performance Extremes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scsp-3800rpm-yellow-spring-scspy\"\u003e3800 RPM Yellow Stinger Spring for Top-End Focus\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/scd-stinger-billet-drum-not-lo-206-legal-scd\"\u003eStinger SCD Billet Clutch Drum - Less Driver - Non-LO206\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sch-stinger-clutch-hub-sch\"\u003eTriangle-Shaped Stinger Clutch Hub for Stable Shoe Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sccs-stinger-clutch-stepped-crank-spacer-sccs\"\u003ePrecision Stinger Clutch Stepped Crank Spacer for Optimal Alignment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SwiftKarting","offers":[{"title":"Default Title","offer_id":52377912574271,"sku":"SCSPP","price":11.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6843\/4239\/files\/stinger-scsp-4200rpm-purple-spring-scspp.jpg?v=1773220922","url":"https:\/\/metro-merch-3.myshopify.com\/products\/4200-rpm-purple-stinger-spring-for-extreme-high-rpm-builds","provider":"Metro Merch","version":"1.0","type":"link"}