{"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","url":"https:\/\/www.psr9line.com\/products\/psr9line-porsche-wheel-stud-conversion-kit-m14x1-5-75mm-90mm","provider":"PSR9Line","version":"1.0","type":"link"}