{"product_id":"v-twin-valve-spring-set-for-harley-davidson-el-and-fl-models-part-13-9523","title":"V-Twin Valve Spring Set For Harley EL FL Knucklehead Engines 13-9523","description":"\u003cdiv\u003e\n\u003ch1\u003eV-Twin Valve Spring Set for Harley EL\/FL Knucklehead Engines (13-9523) — 4 inner and 4 outer springs, 1.638\" OD\u003c\/h1\u003e\n\u003cp\u003eReplica-type valve spring set for Knucklehead engines, containing four inner and four outer springs designed for authentic restoration or rebuild work on Harley-Davidson EL and FL models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOuter diameter approximately 1.638 inches for a precise fit in vintage valve assemblies.\u003c\/li\u003e\n\u003cli\u003eOuter spring inner diameter (ID) 1-1\/4 inches.\u003c\/li\u003e\n\u003cli\u003eManufactured in Japan to meet high standards of quality and durability.\u003c\/li\u003e\n\u003cli\u003eCross-reference compatibility with OEM numbers 18203-36, 18204-36, and 168-36.\u003c\/li\u003e\n\u003cli\u003eFitment includes Harley-Davidson EL models (1936–1940) and FL models (1941–1947).\u003c\/li\u003e\n\u003cli\u003ePart number: 13-9523. Includes four inner and four outer springs for complete valve train restoration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned to maintain proper valve operation, support engine performance during overhaul, and reduce risks associated with valve spring fatigue or failure. Easy to install with the right tools, and commonly paired with the V-Twin Bench Valve Spring Tool (SKU 16-1774) to ensure precise compression during assembly.\u003c\/p\u003e\n\u003cp\u003eWhether you're restoring a Knucklehead to original specifications or seeking authentic parts to improve reliability, this V-Twin valve spring set delivers a faithful, durable option for vintage Harley-Davidson engines.\u003c\/p\u003eReplica type valve spring set has 4 inner and 4 outer springs for Knuckleheads.\n\u003cp\u003eEnhance your vintage Harley Davidson engine maintenance with the V-Twin Valve Spring Set, part number 13-9523. Crafted with precision, these springs feature an outer diameter of approximately 1.638 inches, ensuring a reliable fit for classic Harley Davidson models from 1936 to 1945. Manufactured in Japan, the springs are designed to meet high standards of quality and durability, providing optimal performance and longevity for your engine overhaul or restoration projects. The set includes springs with an outer spring I.D. of 1-1\/4 inches, making them compatible with a range of OEM cross-referenced parts such as 18203-36, 18204-36, and 168-36. These springs are essential for maintaining proper valve operation, ensuring your engine runs smoothly and efficiently. \u003cbr\u003e The V-Twin Valve Spring Set is ideal for vintage Harley enthusiasts looking to restore their bikes to original specifications or improve their engine's performance. Easy to install with the right tools, these springs are a vital component for maintaining valve timing and preventing engine issues related to spring fatigue or failure. Whether you're a professional mechanic or a dedicated hobbyist, this set offers the reliable performance you need to keep your Harley Davidson running at its best. \u003cbr\u003e As part of your engine rebuild, consider pairing this set with accessory tools like the V-Twin Bench Valve Spring Tool (SKU 16-1774) to simplify installation and ensure precise compression during assembly. Invest in quality parts from V-Twin to preserve the heritage and performance of your vintage Harley Davidson motorcycle.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eOuter diameter measures approximately 1.638 inches for precise fit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eManufactured in Japan for high quality and durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes springs compatible with OEM cross-references 18203-36, 18204-36, and 168-36\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eSuitable for Harley Davidson models from 1936 to 1945\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned to maintain proper valve operation and engine performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003ePart of a comprehensive rebuild or restoration kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson EL 1936\u003cbr\u003e\nHarley Davidson EL 1937\u003cbr\u003e\nHarley Davidson EL 1938\u003cbr\u003e\nHarley Davidson EL 1939\u003cbr\u003e\nHarley Davidson EL 1940\u003cbr\u003e\nHarley Davidson FL 1941\u003cbr\u003e\nHarley Davidson FL 1942\u003cbr\u003e\nHarley Davidson FL 1943\u003cbr\u003e\nHarley Davidson FL 1944\u003cbr\u003e\nHarley Davidson FL 1945\u003cbr\u003e\nHarley Davidson FL 1946\u003cbr\u003e\nHarley Davidson FL 1947\u003c\/div\u003e","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":44650391404586,"sku":"13-9523","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/13-9523a.jpg?v=1785807247","url":"https:\/\/atticusgoods.com\/products\/v-twin-valve-spring-set-for-harley-davidson-el-and-fl-models-part-13-9523","provider":"Atticus Goods","version":"1.0","type":"link"}