COMP Cams 48-801-11 Xtreme Energy Hydraulic Roller Camshaft for Chevy 348-409

The COMP Cams Xtreme Energy 48-801-11 is a hydraulic roller camshaft engineered specifically for Chevrolet 348-409 cubic inch W-series engines. This performance camshaft features aggressive 218/224 duration specs designed to deliver significant power gains in the 1,500-6,000 RPM range, making it ideal for street/strip applications and muscle car restorations.

Camshaft Specifications:

• Advertised Duration: 268°/280° intake/exhaust
• Duration @ .050": 218°/224° intake/exhaust
• Valve Lift (with 1.7:1 rocker arms): .480"/.500" intake/exhaust
• Lobe Separation Angle: 110°
• Valve Timing: Intake opens 12° BTDC, exhaust closes 16° ATDC
• Hydraulic roller design for reduced friction and maintenance-free operation

Key Features:

• Xtreme Energy lobe profiles optimized for maximum torque and horsepower
• Hydraulic roller lifters eliminate the need for periodic valve adjustments
• Improved throttle response and mid-range power delivery
• Compatible with stock to mildly modified cylinder heads and valvetrain components
• Requires aftermarket torque converter (2,200-2,800 stall recommended) for automatic transmissions
• Works with stock or performance intake manifolds and headers

This camshaft is designed for engines with 9.0:1 to 10.5:1 compression ratios and produces a moderate idle with good vacuum characteristics. Professional installation and proper valve spring setup are required for optimal performance and reliability. The Xtreme Energy series from COMP Cams represents the perfect balance between street manners and strip performance for classic Chevrolet big-block W-series engines.