GM LS LSR Cam - 277LCBHR14

The GM LS LSR Cam - 277LCBHR14 from COMP CAMS is a high-performance camshaft designed for serious LS engine builders and street performance enthusiasts. This precision-engineered component unlocks the full potential of your LS-platform engine, whether you're running a naturally aspirated build or a forced induction setup. Built for engines demanding aggressive valve timing, this camshaft is ideal for those looking to enhance their vehicle's performance.

The 277LCBHR14 camshaft features precision lobes that optimize valve overlap, duration, and lift to maximize airflow through the cylinder head during both intake and exhaust strokes. Its hardened steel construction ensures durability under sustained high RPM operation while maintaining consistent valve actuation across the entire powerband. The camshaft's design is specifically tailored for LSR racing applications, making it suitable for high-performance builds.

This camshaft is compatible with LS1, LS2, LS3, and other LS-based engines, providing builders with the opportunity to extract maximum naturally aspirated power. Proper valve spring upgrades and rocker arm verification are essential when installing this performance camshaft to ensure compatibility with your specific engine configuration. Installation requires careful attention to pushrod length verification and lifter preload adjustment for optimal performance.