{"product_id":"arc-36-single-valve-spring-for-modified-clone-engines","title":"ARC 36# Single Valve Spring for Modified Clone Engines","description":"\u003cp\u003ePush boundaries with the ARC 36# single spring, rated for extreme RPM in modified Clone and compatible engines, delivering unwavering control where stock parts falter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e36lbs pressure at .850\" for solid valve seating\u003c\/li\u003e\n\u003cli\u003eCoil bind at .450\" to fit tight heads\u003c\/li\u003e\n\u003cli\u003eSuits BSP 196cc, GX200, non-Hemi 212cc; not for stock valves\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor racers chasing 9,000 RPM glory, this spring prevents float, ensuring valves snap shut precisely for optimal fill and fire—key to surging past competitors. Note: Hemi 212cc needs pocket mods. Pair with stainless valves and proper retainers for a setup that thrives under pressure.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eNot for stock configurations.\u003c\/b\u003e Its arc design sheds weight without sacrificing strength, aiding quicker revs and track dominance.\u003c\/p\u003e\u003cstrong\u003eSKU: DJ-1057\u003c\/strong\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these springs with my stock valves?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. These 36# springs are designed for high-performance modified engines and are not compatible with stock valves. We strongly recommend pairing these with high-quality stainless steel valves to handle the increased seat pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the coil bind height for this spring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The ARC 36# spring reaches coil bind at .450\". Please ensure your camshaft and rocker arm geometry are set up to accommodate this to prevent engine damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these fit my Hemi 212cc engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e They are compatible with the non-Hemi 212cc, GX200, and BSP 196cc engines. If you are using a Hemi 212cc engine, you will need to perform pocket modifications to the head to ensure proper fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need 36lb springs for my racing kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you are pushing your engine toward 9,000 RPM, stock springs will experience \"valve float,\" where the valve fails to close fast enough. These 36# springs provide the necessary pressure to keep the valve train stable, ensuring optimal combustion and preventing power loss at high RPMs.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ssv240-stainless-steel-24mm-valve-dj-1126\"\u003eSSV240 24mm Stainless Steel Valve for Enhanced Clone Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dj-1285ph-10-hemi-predator-piston-assembly-010-dj-1285ph-10\"\u003eDJ HEMI Predator 212cc Oversize Flat Top Piston Assembly - +0.010\" Bore - Modified Class\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dj-1285ph-hemi-predator-piston-assembly-standard-bore-dj-1285ph\"\u003eDJ HEMI Predator Flat Top Piston Assembly for 212cc Standard Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/dj-1310tpred-predator-graphite-coated-head-gasket-w-fire-ring-048-dj-1310tpred\"\u003eDJ Predator Graphite Coated Head Gasket with Fire Ring - 0.048 Inch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SwiftKarting","offers":[{"title":"Default Title","offer_id":48157999464707,"sku":"DJ-1057","price":11.9,"currency_code":"USD","in_stock":true}],"url":"https:\/\/phishstonesproducts.myshopify.com\/products\/arc-36-single-valve-spring-for-modified-clone-engines","provider":"PhishStones Products","version":"1.0","type":"link"}