S&S Cycle Cylinder Stud & Head Bolt Kit - '17-'23 M8 Models

Studs

• 8 studs with rounded thread roots, rather than flat, improving fatigue strength
• 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC
• Positive stop shoulder allows for consistent installed height
• 180,000 psi tensile strength

Head Bolts

• Reusable
• 14% increase in strength over stock
• Heat treated 8640 steel
• 200,000 psi ultimate tensile strength
• 8 - head bolts with integral washer
• Formed threads
• Cold formed head
• Compatible with both MLS & graphite head gaskets