{"product_id":"feuling-psi-tester-811-09010","title":"Feuling PSI Tester - Camplate Relief Valve Tool for Harley \u0026 Indian Twin Cam","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Feuling\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eFeuling Parts specializes in the internals that decide whether a big-inch V-twin lives or dies — oil pumps, cam plates, lifters, pushrods and camshafts. Its high-volume oil system components are a standard upgrade on high-mileage and high-output Twin Cam and Milwaukee-Eight engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Feuling PSI Tester is an invaluable tool for Twin Cam engine builders, allowing for precise bench-testing of camplate relief valves. This specialized tool enables you to verify pressure settings, check valve seat and seal integrity, and even adjust spring tension to achieve your desired pop-off PSI before engine installation. It's a critical step for ensuring optimal oil pressure regulation in your Harley-Davidson or Indian Motorcycle Twin Cam.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBench-tests Twin Cam camplate relief valves\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eVerifies pressure settings and checks seal integrity\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAllows spring tension adjustment for custom pop-off PSI\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes air regulator and 0–100 psi pressure gauge\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eFits all Harley-Davidson Twin Cam camplates\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eMade in the U.S.A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnsuring your Twin Cam's oil pressure relief valve is functioning correctly is paramount for engine longevity and performance. The Feuling PSI Tester provides a reliable method to bench-test these critical components. By allowing you to accurately measure the pop-off pressure and inspect for any leaks, you can confirm that your oiling system will operate as intended, protecting your engine from potential oil pressure issues. This level of precision is essential for any serious V-twin builder.\u003c\/p\u003e\u003ch3\u003eAccurate Testing and Adjustment for Twin Cam Oiling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBench-tests camplate relief valve operation with precision\u003c\/li\u003e\n\u003cli\u003eIncludes an air regulator and a clear 0–100 psi pressure gauge\u003c\/li\u003e\n\u003cli\u003eAllows for spring tension adjustment to achieve custom pop-off PSI\u003c\/li\u003e\n\u003cli\u003eChecks valve seat and seal integrity, detecting any potential leakage\u003c\/li\u003e\n\u003cli\u003eFits all Twin Cam engine camplates for Harley-Davidson and Indian V-twins\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Performance Twin Cam Builds\u003c\/h3\u003e\u003cp\u003eFor those building or maintaining performance Twin Cam engines, the Feuling PSI Tester is more than just a convenience – it's a necessity. It empowers you to fine-tune your oiling system's pressure relief valve, ensuring consistent and optimal oil pressure delivery. Avoid guesswork and potential engine damage by integrating this precise testing tool into your build process. It's made in the U.S.A. to the high standards you expect from Feuling.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Feuling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 9010\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8.6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8.2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.435 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is the primary purpose of the Feuling PSI Tester?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe Feuling PSI Tester is designed to allow Twin Cam engine builders to bench-test camplate relief valves, verify pressure settings, check seal integrity, and adjust spring tension for desired pop-off PSI before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat is included with the Feuling PSI Tester?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe kit includes an air regulator, a 0–100 psi pressure gauge, a gasket, and all necessary hardware specifically for testing Twin Cam camplates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eCan I use this tool to adjust my relief valve spring tension?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this Feuling tester is designed to not only check the relief valve's operation but also allows you to adjust the spring tension to achieve your custom desired pop-off PSI.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Tools\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Feuling\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/feuling\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Feuling PSI Tester - Camplate Relief Valve Tool for Harley \u0026 Indian Twin Cam\",\"item\":\"https:\/\/vtwinbikers.com\/products\/feuling-psi-tester-811-09010\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the primary purpose of the Feuling PSI Tester?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Feuling PSI Tester is designed to allow Twin Cam engine builders to bench-test camplate relief valves, verify pressure settings, check seal integrity, and adjust spring tension for desired pop-off PSI before installation.\"}},{\"@type\":\"Question\",\"name\":\"What is included with the Feuling PSI Tester?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The kit includes an air regulator, a 0–100 psi pressure gauge, a gasket, and all necessary hardware specifically for testing Twin Cam camplates.\"}},{\"@type\":\"Question\",\"name\":\"Can I use this tool to adjust my relief valve spring tension?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this Feuling tester is designed to not only check the relief valve's operation but also allows you to adjust the spring tension to achieve your custom desired pop-off PSI.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Feuling","offers":[{"title":"Default Title","offer_id":53035384438895,"sku":"811-09010","price":202.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d1d5a60b-5e28-4d97-ba17-c2942844161d.png?v=1779561374","url":"https:\/\/vtwinbikers.com\/products\/feuling-psi-tester-811-09010","provider":"Vtwinbikers","version":"1.0","type":"link"}