GM LS LSR Cam - 277LRHR12

The GM LS LSR Cam - 277LRHR12 by Comp Cams is a hydraulic roller camshaft specifically designed for LS-platform engines that require enhanced performance without compromising reliability. This camshaft is ideal for builders and enthusiasts looking to achieve higher RPM capabilities and increased valve lift, making it suitable for street performance engines, track cars, and high-performance hot rods.

Engineered with precision lobe geometry and durable billet steel construction, the 277LRHR12 camshaft effectively manages aggressive valve timing events while eliminating the need for manual valve lash adjustments. The hydraulic roller design allows for automatic compensation for thermal expansion and wear, which is essential for maintaining performance across heat cycles, especially in turbocharged and supercharged applications.

This camshaft is compatible with LS1, LS2, LS3, and other LS-generation small-block platforms that utilize factory or aftermarket hydraulic roller lifter systems. Its design ensures peak cylinder head efficiency and combustion optimization, making it a top choice for those looking to maximize their engine's performance in various applications.