{"product_id":"s-s-m8-head-bolt-stud-kit","title":"S\u0026S. M8 head bolt \u0026 stud kit","description":"Direct replacement for the stock head bolts and cylinder studs. Quality is much higher and recommended for performance builds. Complete kit. Head bolts:- Black oxide coated - Heat treated 8640 steel - 200.000 psi ultimate tensile strength - 9\/16\" 12 point head with integral washer - Formed threads - Cold formed head - Re-usable cylinder studs - 4140 Chrome Moly - Oil quenched and tempered to 39-44 HRC - 180;000psi Tensile Strength - Rounded thread roots; rather than flat; improving fatigue strength - Positive stop shoulder allows for consistent installed height\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 18-25 Softail; 17-25 FLT\/Touring; 17-25 Trikes\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307619504455,"sku":"986077","price":320.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/986077k.jpg?v=1784467833","url":"https:\/\/www.chopperessentials.com\/products\/s-s-m8-head-bolt-stud-kit","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}