S&S Cycle Chrome Moly Head Studs - Harley-Davidson

Beef up your high-performance Harley-Davidson engine with S&S Cycle Chrome Moly head studs. These studs are forged from robust 4140 Chrome Moly steel, engineered to withstand the extreme pressures of performance and forced-induction applications.

Why riders pick this

• Forged from 4140 Chrome Moly steel
• Superior fatigue resistance for high-performance builds
• Rounded thread roots improve strength
• Positive stop shoulder for consistent height
• Replaces stock studs in demanding applications

For riders pushing their Harley-Davidson engines to the limit, stock head studs can become a weak link. S&S Cycle Chrome Moly head studs are purpose-built to eliminate that failure point, offering superior strength and fatigue resistance. They are an essential upgrade for any engine builder focused on reliability and power in performance or forced-induction V-twin setups.

Engineered for Extreme Conditions

• Forged from high-grade 4140 Chrome Moly steel for exceptional durability
• Oil quenched and tempered to optimize hardness and fatigue strength
• Rounded thread roots enhance fatigue strength compared to traditional flat-root designs
• Positive stop shoulder ensures consistent installed height and proper clamping force
• Designed to replace stock studs in demanding engine builds

The Foundation for Power

When you're chasing every last bit of horsepower and torque, the integrity of your engine's fasteners is paramount. These S&S Cycle head studs provide the robust foundation needed for high-output Harley-Davidson engines, ensuring cylinder heads remain securely fastened under intense combustion pressures. They are a critical component for any serious V-twin performance build, offering peace of mind that your engine can handle the power you're making.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 900-1176
• Material: 4140 Chrome Moly
• Hardness: 39-44 HRC
• Tensile Strength: 180,000 psi
• Weight: 4 lb
• Category: Fabrication / Bolts

Common questions