CYLINDER STUD & BOLT KIT FOR 2017-UP M8 MODELS - 8 PACK

4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC 8 studs with rounded thread roots, rather than flat, improving fatigue strength Positive stop shoulder allows for consistent installed height 180,000 psi tensile strength Reusable 14% increase in strength over stock Heat treated 8640 steel 200,000 psi ultimate tensile strength Head Bolts Studs Formed threads Cold formed head Compatible with both MLS & graphite head gaskets 8 - head bolts with integral washer