Racingline's Stud & Nut Conversion Kit replaces the factory wheel bolts with a dedicated stud and nut setup, the same fixing method used on track and race cars for faster, more repeatable wheel changes. Aligning a bolt-on wheel one-handed while supporting its weight is slow and easy to cross-thread, especially trackside against the clock. A stud lets the wheel hang in place on its own, so the nuts thread on straight every time. Construction Studs: heat-treated carbon alloy steel, M14 x 1.5 thread Nuts: 7000-series anodized aluminum Internal 6mm Allen drive on the stud for accurate installation Choosing the Right Kit Kits are sold by seat type and stud length. Ball seat suits most factory VW/Audi wheels; conical (tapered) seat suits many aftermarket wheels, including the Racingline R360. Choose the seat type that matches your wheels, and the stud length that clears your spacer thickness if you're running one. Product Specifications Seat Type Stud Length MPN Ball (R13) 70mm VWR630000 Ball (R13) 80mm VWR630002 Conical (R13) 70mm VWR630001 Conical (R13) 80mm VWR630003 Ball (R14) 70mm VWR630004 Ball (R14) 80mm VWR630005 Thread size: M14 x 1.5 Thread length, hub side: 13mm Thread length, nut side: 50mm (70mm stud) or 60mm (80mm stud) 70mm studs accommodate spacers up to roughly 10mm; 80mm studs accommodate spacers up to roughly 20mm What's Included 20 wheel studs 20 aluminum wheel nuts Enough hardware for a full set of four wheels. Frequently Asked Questions Ball seat or conical seat, which do I need?Ball seat matches most factory-style VW/Audi wheels; conical (tapered) seat matches many aftermarket wheels, including the Racingline R360. Check your wheel manufacturer's spec if you aren't sure, or contact your BMP Tuning rep. Is this enough for all four wheels?Yes. Each kit includes 20 studs and 20 nuts, five per wheel. Can I run these with wheel spacers?Yes. Choose the 70mm stud for thinner spacers or the 80mm stud for thicker spacers, and confirm your exact spacer thickness clears the stud length before ordering. Do these fit my wheels' bolt pattern?The kit matches the M14 x 1.5 thread used on most VW/Audi platforms. Confirm your exact fitment on this page or with your BMP Tuning rep.
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