Comp Cams GM LS Series LSR Cathedral Port Hydraulic Roller Camshaft 277LRHR12

The Comp Cams GM LS Series LSR Cathedral Port Hydraulic Roller Camshaft, part number 54-458-11, delivers optimized performance for GM LS engines. This camshaft features a lift of 0.614 inches on the intake and 0.621 inches on the exhaust, with durations of 277 and 285 degrees respectively, providing a balanced power band suitable for street and performance applications. The 113-degree LSA offers a good compromise between idle quality and power delivery, making it ideal for enthusiasts seeking an upgrade with reliable operation across a broad RPM range from 1,900 to 7,000 RPM. Constructed with precision and durability, this camshaft is designed specifically for GM LS-Series engines with cathedral port heads, ensuring a perfect fit and seamless installation. Its hydraulic roller design reduces wear and enhances longevity, promoting consistent performance over time. Whether you're building a high-performance street engine or restoring a stock setup, this camshaft offers excellent value and reliability for your GM LS application.

Features:

• Hydraulic Roller Camshaft for GM LS-Series Engines

• Lifter: Hydraulic Roller

• Intake Lift: 0.614 inches

• Exhaust Lift: 0.621 inches

• Intake Duration: 277 degrees

• Exhaust Duration: 285 degrees

• Lobe Separation Angle: 113 degrees

• RPM Range: 1,900 to 7,000 RPM

• Application: Cathedral Port GM LS Engines

• Series: LSR Performance Camshaft