{"product_id":"kpmi-cylinder-stud-kits-studs-twin-cam-191-57096","title":"KPMI Cylinder Stud Kits - Studs Twin CAM — Harley-Davidson Softail Heritage Classic, Softail Fat Boy, Road King (1999-2017)","description":"\u003cp\u003eKPMI cylinder stud kits for V-twin motorcycles, engineered from grade 8740 material heat-treated to 180,000 psi yield strength. Rolled threads after heat treating and center-less grinding ensure maximum fatigue life and concentricity for reliable clamping under high engine temperatures.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 8740 material, 180,000 psi yield strength\u003c\/li\u003e\n  \u003cli\u003eThreads rolled after heat treating for maximum compressive stress\u003c\/li\u003e\n  \u003cli\u003eSlight interference fit at case end for high-temperature thread retention\u003c\/li\u003e\n  \u003cli\u003eCenter-less ground for concentricity\u003c\/li\u003e\n  \u003cli\u003ePremium black oxide finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KPMI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 20-20412\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.85 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8.25 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 1.35 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.53 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles. Verify fitment with your bike's year and model before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat makes these studs stronger than OEM?\u003c\/h3\u003e\n\u003cp\u003eGrade 8740 heat-treated material with rolled threads after heat treat maximizes fatigue strength and thread durability at high cylinder pressures.\u003c\/p\u003e\n\u003ch3\u003eDo these studs require special installation?\u003c\/h3\u003e\n\u003cp\u003eInstallation should follow the bike manufacturer's torque specs. The slight interference fit at the case end helps maintain thread contact when hot.\u003c\/p\u003e\n\u003ch3\u003eWill these fit my Harley or Indian?\u003c\/h3\u003e\n\u003cp\u003eThese are designed for V-twin engines. Confirm your specific model and year with the manufacturer or a dealer before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat finish do they have?\u003c\/h3\u003e\n\u003cp\u003ePremium black oxide coating for corrosion resistance and appearance.\u003c\/p\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":53035011375215,"sku":"191-57096","price":187.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_514ec2c1-fd81-4aa0-8fb0-7644e3bdb034.png?v=1779559123","url":"https:\/\/vtwinbikers.com\/products\/kpmi-cylinder-stud-kits-studs-twin-cam-191-57096","provider":"Vtwinbikers","version":"1.0","type":"link"}