1999-2018 Cummins 5.9L/6.7L Hamilton Cams Competition Springs (07-s-110)

Push your high-performance Cummins beyond 4,500 RPM with confidence using our 24-Valve Competition Springs, designed to handle seat pressures of 110 lbs and safely rev to 6,500 RPM. Built for racing and track-focused applications, these springs are not recommended for daily drivers.

Why Choose Our Competition Springs?

• High RPM Capability: Engineered for stable valve control up to 6,500 RPM.
• 110 lb Seat Pressure: Maintains optimal valve control at elevated boost and horsepower levels.
• Recommended Steel Cam & Tappets: Minimize premature wear—avoid using cast cams in these high-stress conditions.
• Track-Focused Performance: Best suited for competition setups running beyond 4,500 RPM, rather than everyday driving.

Upgrade to our 24-Valve Competition Springs and ensure your Cummins is ready to dominate on the track. Get the elevated performance and reliability you need—without compromising on build quality.