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. 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.

Features and 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 lb Springs Above 4,500 RPM: Guarantee safe and efficient valvetrain function by combining these retainers with our 110 lb springs.

Details:

• Sold As: Set
• Universal: No
• Vehicle Type: Truck
• Liter: 5.9L, 6.7L
• Fuel Type: Diesel
• Valve: 24-Valve
• Material: Tool Steel
• RPM Range: 4,500+ RPM

Fitment Notes:

• Fitment: 1998.5-2007 Dodge Ram 5.9L Cummins 24-Valve and 2007.5-2018 Ram 6.7L Cummins engines using Hamilton Cams 24-Valve spring packages.