1999-2018 Cummins 5.9L/6.7L Hamilton Cams Retainer Set (07-s-004)

When pushing your engine beyond 4,500 RPM—especially with a high-lift camshaft—our Performance Valve Spring Retainers are a must. Engineered to withstand intense valvetrain stresses, these retainers pair perfectly with our #110 valve springs for reliable high-RPM performance.

Key Benefits

• Built for High RPM: Designed to handle the extra strain of 4,500+ RPM
• Optimized for Large Lobe Lift: reduced mass for precise valve control with aggressive cam profiles.
• Superior Strength & Durability: Robust materials and expert craftsmanship ensure long-lasting performance under extreme conditions.
• Must Use #110 Springs Above 4,500 RPM: Guarantee safe and efficient valvetrain function by combining these retainers with our #110 springs.

Safeguard your valvetrain and extract maximum power from your high-lift cam setup—install our High-Lift Valve Spring Retainers for dependable performance at the track or on the street.