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Special wheel stud in 12.9 high resistance spec steel with rolled thread. Designed for motorsports use.
HP3The threads are rolled at high pressure (not cut), eliminating risk of cracks and fatigue even in the toughest race use. We recommend using with our copper plated open nuts.
![]() Sparco 3 point Harness - Bolt - Special Offer Ricambi Tuning 219Sparco 3 point Harness - Bolt - Special Offer219219 from € 88.35 2027-02-19 InStock https://www.ricambituning.it/product1.asp?id=219&cat=37 ![]() Racing stud dual thread 12x1.5 : 12x1.25 L 86mm Ricambi Tuning 192Racing stud dual thread 12x1.5 : 12x1.25 L 86mm192192 from € 7.34 2027-02-19 InStock https://www.ricambituning.it/product1.asp?id=192&cat=77 ![]() Copper nut 12x1.25 thread 17mm hex conical Ricambi Tuning 168Copper nut 12x1.25 thread 17mm hex conical168168 from € 6.21 2027-02-19 InStock https://www.ricambituning.it/product1.asp?id=168&cat=76 ![]() Sparco Bonnet pins kit Ricambi Tuning 191Sparco Bonnet pins kit191191 from € 26.00 2027-02-19 InStock https://www.ricambituning.it/product1.asp?id=191&cat=46 |