GM LS LSR Cam - 273LRHR12

The GM LS LSR Cam - 273LRHR12 by COMP CAMS is a high-performance camshaft specifically designed for LS and LSR engine platforms. It is ideal for automotive enthusiasts looking to enhance their street and strip combinations with aggressive timing events and increased valve lift. This camshaft is particularly suited for applications that demand improved flow characteristics over stock specifications.

Featuring a solid roller lifter design, the 273LRHR12 camshaft provides the durability and precision necessary for high-RPM operation. Its optimized lobe geometry extends valve opening duration and increases lift, enhancing engine breathing across the RPM range. The use of nodular iron construction is standard in high-performance camshafts, ensuring reliable performance under demanding conditions.

Builders planning LS or LSR swaps into vintage muscle cars, trucks, or dedicated race vehicles will find this camshaft essential for unlocking the full potential of their engine platforms. Its compatibility with both naturally aspirated and boosted applications makes it a versatile choice for various performance builds.