Melling 22240 GM LS Turbo Hydraulic Roller Camshaft .625/.610 Lift 219/227 Duration

The Melling 22240 is a High Performance Class 2 hydraulic roller camshaft engineered specifically for turbocharged GM LS engines. Designed to optimize power delivery in boosted applications, this cam features aggressive lift and duration specifications that complement forced induction builds across the full LS engine family.

With an intake valve lift of .625" and exhaust lift of .610" (at 1.7:1 rocker arm ratio), paired with duration figures of 219° intake / 227° exhaust at .050", the 22240 delivers a strong power curve across a broad RPM band suited to turbo street and performance builds. The hydraulic roller design offers excellent durability and reduced maintenance compared to flat-tappet alternatives.

Key Specifications:

• Camshaft Class: Class 2 High Performance
• Application: GM LS Turbo — 4.8L, 5.3L, 5.7L, 6.0L, 6.2L
• Camshaft Type: Hydraulic Roller
• Intake Valve Lift: .625" (at 1.7:1 rocker ratio)
• Exhaust Valve Lift: .610" (at 1.7:1 rocker ratio)
• Intake Duration @ .050": 219°
• Exhaust Duration @ .050": 227°
• Advertised Intake Duration: 272°
• Advertised Exhaust Duration: 281°
• RPM Power Range: 1,950–5,450 RPM
• Rocker Arm Ratio: 1.7:1

Melling high performance camshafts are developed, engineered, tested, and manufactured to the highest standards of quality and materials, making the 22240 a reliable foundation for any turbocharged LS performance build.