Description
S&S S&S. M8 head bolt & stud kit
18-24 Softail; 17-24 FLT/Touring; 17-24 Trikes
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
