Melling 22422 LS Class 4 Performance Camshaft 228/234 Duration

The Melling 22422 is a Class 4 high-performance camshaft engineered specifically for LS engines with 3-bolt, non-AFM (Active Fuel Management) applications. This camshaft is designed to deliver enhanced mid to high RPM torque and horsepower while maintaining drivability for street and performance applications.

Key Specifications:

• Duration: 228 degrees intake / 234 degrees exhaust (at .050" lift)
• Valve Lift: .625 inches intake and exhaust
• Lobe Separation Angle: 112 degrees
• Camshaft Type: Hydraulic roller
• Application: LS engines, 3-bolt pattern, non-AFM
• Manufactured in the USA

Performance Characteristics:

• Rough idle quality with aggressive sound
• Excellent mid to high RPM torque and horsepower gains
• Best suited for manual transmission or high-stall automatic transmission
• May require upgraded valve springs, pushrods, and supporting modifications
• Lower vacuum than stock - power brakes may require upgrade
• Ideal for combination street and drag applications

Melling high-performance camshafts are developed, engineered, tested, and manufactured with the highest standards of quality and materials. This Class 4 camshaft provides the aggressive performance profile enthusiasts demand for street/strip applications while maintaining reliable operation. Always install new lifters with a new camshaft and follow proper break-in procedures for optimal longevity.