{"title":"Wheel Studs \u0026 Wheel Stud Conversions","description":"\u003ch2\u003eWheel Studs \u0026amp; Wheel Stud Conversions — M14x1.5\u003c\/h2\u003e\u003cp\u003eConvert or upgrade your Porsche wheel fastening system with PSR9Line's M14x1.5 wheel stud conversion range. Suitable across all Porsche models from the 1950s to present day, our studs and conversion kits make wheel fitting easier, work neatly alongside spacer setups, and deliver a purposeful motorsport-inspired finish.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll Porsche models — 1950s to present\u003c\/li\u003e\n\u003cli\u003eThread: M14x1.5\u003c\/li\u003e\n\u003cli\u003e75mm studs: recommended for no-spacer applications\u003c\/li\u003e\n\u003cli\u003e90mm studs: recommended for spacer setups up to 15mm maximum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e75mm Conversion Kit: 20 x 75mm studs + 20 x R14 open nuts\u003c\/li\u003e\n\u003cli\u003e90mm Conversion Kit: 20 x 90mm studs + 20 x R14 open nuts\u003c\/li\u003e\n\u003cli\u003e20 x 75mm Studs Only\u003c\/li\u003e\n\u003cli\u003e20 x 90mm Studs Only\u003c\/li\u003e\n\u003cli\u003eR14 Open Nuts: available in packs of 20, 10, 5, or single\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ Wheel fasteners are safety-critical components. Always confirm correct thread engagement and torque to manufacturer specification before road use.\u003c\/p\u003e\u003cp\u003ePSR9Line | Precision Parts | Peak Performance\u003c\/p\u003e","products":[{"product_id":"psr9line-porsche-wheel-stud-conversion-kit-m14x1-5-75mm-90mm","title":"Porsche Wheel Stud Conversion Kit M14x1.5 – 75mm \/ 90mm PSR9Line","description":"\u003cp\u003e\u003cstrong\u003eConvert the factory Porsche wheel-bolt arrangement to a motorsport-style stud-and-nut setup with the PSR9Line wheel stud conversion range.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for relevant later Porsche applications using M14x1.5 wheel bolts and original-style R14 ball-seat wheels, this system makes wheel removal and refitting easier, works neatly with spacer setups, reduces repeated wear on hub threads, and gives a purposeful motorsport-inspired finish.\u003c\/p\u003e\n\u003ch3\u003eWhy convert from wheel bolts to studs?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasier wheel fitting:\u003c\/strong\u003e the wheel locates onto fixed studs rather than being held in position while the first wheel bolt is started.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEspecially useful with spacers:\u003c\/strong\u003e studs help align the wheel and spacer together during refitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for frequent wheel changes:\u003c\/strong\u003e useful for track-day cars, seasonal wheel changes and owners who regularly remove wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps protect hub threads:\u003c\/strong\u003e repeated wheel removal takes place at the stud-and-nut interface rather than repeatedly threading wheel bolts into the hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible thread engagement:\u003c\/strong\u003e the open-ended nuts make stud engagement easy to inspect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotorsport-inspired appearance:\u003c\/strong\u003e black studs combined with bright silver open-ended R14 nuts give a clean competition-style look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStud specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eM14x1.5 screw-in wheel studs\u003c\/li\u003e\n\u003cli\u003eEuropean-manufactured\u003c\/li\u003e\n\u003cli\u003eClass 10.9\u003c\/li\u003e\n\u003cli\u003eProduced and tested under a TÜV-certified UNI EN ISO 9001:2015 quality-management system\u003c\/li\u003e\n\u003cli\u003eBlack galvanised finish\u003c\/li\u003e\n\u003cli\u003e75mm and 90mm lengths available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNut specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eM14x1.5 open-ended wheel nuts\u003c\/li\u003e\n\u003cli\u003eR14 ball seat for relevant original-style Porsche wheels\u003c\/li\u003e\n\u003cli\u003e19mm hex\u003c\/li\u003e\n\u003cli\u003eApprox. 20mm overall height\u003c\/li\u003e\n\u003cli\u003eBright galvanised silver finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e75mm Conversion Kit:\u003c\/strong\u003e 20 x 75mm studs + 20 x R14 open nuts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90mm Conversion Kit:\u003c\/strong\u003e 20 x 90mm studs + 20 x R14 open nuts\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20 x 75mm Studs Only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20 x 90mm Studs Only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20 x R14 Open Nuts\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e10 x R14 Open Nuts\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5 x R14 Open Nuts\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 x R14 Open Nut\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStud Length \u0026amp; Spacer Guidance\u003c\/h3\u003e\n\u003cp\u003eOur real-world test fitting has confirmed the correct way to use the two stud lengths in this range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e75mm studs\u003c\/strong\u003e are intended for applications running \u003cstrong\u003ewithout wheel spacers\u003c\/strong\u003e. They provide the correct practical length for a standard no-spacer setup without leaving unnecessary excess stud projection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e90mm studs\u003c\/strong\u003e should be used where wheel spacers are fitted. These are the longest studs available in this conversion range and are suitable for spacer setups \u003cstrong\u003eup to a maximum of 15mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpacer thickness over 15mm is not advised with this conversion kit.\u003c\/strong\u003e We do not recommend using the 90mm studs with 20mm spacers or any spacer arrangement exceeding 15mm.\u003c\/p\u003e\n\u003cp\u003eAs Porsche wheel, hub and spacer combinations can vary, installation should always include a physical check of correct thread engagement into the hub, sufficient nut engagement on the stud, wheel and spacer seating, rear-side clearance, and free wheel rotation with no interference.\u003c\/p\u003e\n\u003ch4\u003eQuick Selection Guide\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e75mm Studs — No Spacers\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e90mm Studs — Spacers up to 15mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOver 15mm Spacers — Not Recommended\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment note\u003c\/h3\u003e\n\u003cp\u003eThis listing is for \u003cstrong\u003escrew-in conversion studs\u003c\/strong\u003e intended for relevant later Porsche cars originally fitted with wheel bolts. It is not the same product as the press-in replacement studs used on earlier factory stud-equipped Porsche models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e is made by screwing the stud into the hub using an M5 hex head Allen key.\u003c\/p\u003e\n\u003cp\u003eOriginal Porsche-style wheels commonly use an R14 ball seat, but aftermarket wheels may use a different seat profile. Always confirm the wheel's required seat type before ordering.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eWheel fasteners are safety-critical components. Installation should be carried out using the correct workshop procedure, appropriate thread-locking method where specified, and the vehicle\/wheel manufacturer's torque requirements. Confirm correct thread engagement and that the wheel rotates freely with no rear interference before road use.\u003c\/p\u003e","brand":"PSR9Line","offers":[{"title":"75mm Kit – 20 Studs + 20 Nuts","offer_id":57447416004988,"sku":null,"price":149.85,"currency_code":"GBP","in_stock":true},{"title":"90mm Kit – 20 Studs + 20 Nuts","offer_id":57447416037756,"sku":null,"price":154.85,"currency_code":"GBP","in_stock":true},{"title":"75mm Studs Only – 20pcs","offer_id":57447416070524,"sku":null,"price":109.85,"currency_code":"GBP","in_stock":true},{"title":"90mm Studs Only – 20pcs","offer_id":57447416103292,"sku":null,"price":114.85,"currency_code":"GBP","in_stock":true},{"title":"Open R14 Nuts – 20pcs","offer_id":57447416136060,"sku":null,"price":49.85,"currency_code":"GBP","in_stock":true},{"title":"Open R14 Nuts – 10pcs","offer_id":57447416168828,"sku":null,"price":29.85,"currency_code":"GBP","in_stock":true},{"title":"Open R14 Nuts – 5pcs","offer_id":57447416201596,"sku":null,"price":19.85,"currency_code":"GBP","in_stock":true},{"title":"Open R14 Nut – Single","offer_id":57447416234364,"sku":null,"price":6.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/9593\/5114\/files\/psr9line-porsche-wheel-stud-conversion-kit-overhead.png?v=1789465333"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/9593\/5114\/collections\/cat_tile.png?v=1789493403","url":"https:\/\/www.psr9line.com\/collections\/wheel-studs-wheel-stud-conversions.oembed","provider":"PSR9Line","version":"1.0","type":"link"}