{"product_id":"kpmi-lightweight-racing-valve-spring-kit-crf450r-2009-2012","title":"KPMI Lightweight Racing Valve Spring Kit – CRF450R 2009–2012","description":"\u003ch1 data-start=\"205\" data-end=\"275\"\u003eKPMI Lightweight Racing Valve Spring Kit – Honda CRF450R (2009–2012)\u003c\/h1\u003e\n\u003ch2 data-start=\"277\" data-end=\"293\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"294\" data-end=\"654\"\u003eEngineered for serious off-road and racing performance, the KPMI Lightweight Racing Valve Spring Kit provides precision control at high RPM with reduced mass for improved throttle response. Each spring is wound from \u003cstrong data-start=\"510\" data-end=\"541\"\u003epremium Chrome-Silicon wire\u003c\/strong\u003e, then heat-treated, stress-relieved, and shot-peened to deliver maximum durability and consistent performance.\u003c\/p\u003e\n\u003cp data-start=\"656\" data-end=\"823\"\u003eThe titanium retainers and beehive spring design significantly reduce reciprocating mass, improving valve control and extending spring life under demanding conditions.\u003c\/p\u003e\n\u003ch2 data-start=\"825\" data-end=\"845\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp data-start=\"846\" data-end=\"1060\"\u003e✅ 2 × Intake CrSi Valve Springs\u003cbr data-start=\"877\" data-end=\"880\"\u003e✅ 2 × Exhaust CrSi Valve Springs\u003cbr data-start=\"912\" data-end=\"915\"\u003e✅ 2 × Intake Titanium Retainers\u003cbr data-start=\"946\" data-end=\"949\"\u003e✅ 2 × Exhaust Titanium Retainers\u003cbr data-start=\"981\" data-end=\"984\"\u003e✅ 2 × Intake H.T. Steel Basewashers\u003cbr data-start=\"1019\" data-end=\"1022\"\u003e✅ 2 × Exhaust H.T. Steel Basewashers\u003c\/p\u003e\n\u003cp data-start=\"1062\" data-end=\"1073\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1071\"\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1074\" data-end=\"1223\"\u003e\n\u003cli data-start=\"1074\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1076\" data-end=\"1193\"\u003eExhaust springs include a progressively wound inner spring (install tightly wound end toward the steel basewasher).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1194\" data-end=\"1223\"\u003e\n\u003cp data-start=\"1196\" data-end=\"1223\"\u003eKeepers are not included.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1225\" data-end=\"1237\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"1238\" data-end=\"1256\"\u003e📦 Honda CRF450R\u003c\/p\u003e\n\u003cul data-start=\"1257\" data-end=\"1324\"\u003e\n\u003cli data-start=\"1257\" data-end=\"1273\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1273\"\u003e2012 CRF450R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1274\" data-end=\"1290\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1290\"\u003e2011 CRF450R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1291\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1293\" data-end=\"1307\"\u003e2010 CRF450R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1308\" data-end=\"1324\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1324\"\u003e2009 CRF450R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1326\" data-end=\"1344\"\u003eWarranty Info\u003c\/h2\u003e\n\u003cp data-start=\"1345\" data-end=\"1436\"\u003e🛡️ Covered by Kibblewhite’s limited warranty against defects in material or workmanship.\u003c\/p\u003e\n\u003ch2 data-start=\"1438\" data-end=\"1455\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1456\" data-end=\"1889\"\u003e\n\u003cli data-start=\"1456\" data-end=\"1512\"\u003e\n\u003cp data-start=\"1458\" data-end=\"1512\"\u003e0.440\" lift rating for high-performance cam profiles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1513\" data-end=\"1576\"\u003e\n\u003cp data-start=\"1515\" data-end=\"1576\"\u003ePremium Chrome-Silicon wire for superior fatigue resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1577\" data-end=\"1652\"\u003e\n\u003cp data-start=\"1579\" data-end=\"1652\"\u003eTitanium upper retainers and steel basewashers for lightweight strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1653\" data-end=\"1710\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1710\"\u003eEngineered using proprietary spring analysis software\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1711\" data-end=\"1760\"\u003e\n\u003cp data-start=\"1713\" data-end=\"1760\"\u003e80 lbs seat pressure \/ 205 lbs at 0.435\" lift\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1761\" data-end=\"1816\"\u003e\n\u003cp data-start=\"1763\" data-end=\"1816\"\u003eDesigned for OEM integrated seal\/base (OE# 3610212)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1817\" data-end=\"1866\"\u003e\n\u003cp data-start=\"1819\" data-end=\"1866\"\u003eComplete kit for one motor (intake \u0026amp; exhaust)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1867\" data-end=\"1889\"\u003e\n\u003cp data-start=\"1869\" data-end=\"1889\"\u003eMade in the U.S.A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1891\" data-end=\"1907\"\u003ePrice \u0026amp; SKU\u003c\/h2\u003e\n\u003cp data-start=\"1908\" data-end=\"2029\"\u003e💲 \u003cstrong data-start=\"1911\" data-end=\"1928\"\u003eRetail Price:\u003c\/strong\u003e $207.83\u003cbr data-start=\"1936\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1939\" data-end=\"1947\"\u003eSKU:\u003c\/strong\u003e 0926-1640\u003cbr data-start=\"1957\" data-end=\"1960\"\u003e\u003cstrong data-start=\"1960\" data-end=\"1977\"\u003eBrand Number:\u003c\/strong\u003e 30-31250\u003cbr data-start=\"1986\" data-end=\"1989\"\u003e\u003cstrong data-start=\"1989\" data-end=\"2019\"\u003eEstimated Shipping Weight:\u003c\/strong\u003e 0.15 lb\u003c\/p\u003e","brand":"Parts Unlimited","offers":[{"title":"Default Title","offer_id":47351376085217,"sku":"0926-1640","price":207.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/kpmi-lightweight-racing-valve-spring-kit-crf450r-20092012-1999589.jpg?v=1763566894","url":"https:\/\/dunegoonshop.com\/products\/kpmi-lightweight-racing-valve-spring-kit-crf450r-2009-2012","provider":"Dune Goons","version":"1.0","type":"link"}