SKU: COM54-478-11
UPC: 036584195405
MPN: 54-478-11
The GM LS LSR Cam - 285LCBHR15 is a high-performance hydraulic roller camshaft designed specifically for GM LS-series engines equipped with centrifugal superchargers. In tactical and heavy-duty fleet operations, power delivery and reliability are paramount, and this camshaft provides the necessary valvetrain profile to maximize forced induction efficiency. It serves operators requiring increased torque and horsepower ranges for rapid response vehicles or mission-critical transport platforms. By optimizing the engine's breathing under pressure, this component ensures that your platform maintains a competitive edge in high-demand environments.
Engineered with a 115-degree Lobe Separation Angle (LSA), this camshaft is optimized to manage the increased cylinder pressures associated with centrifugal blowers while maintaining stable idle characteristics. The GM LS LSR Cam - 285LCBHR15 features a lift of 0.621 inches on the intake and 0.624 inches on the exhaust, paired with a broad duration of 285/301 degrees. This specific geometry ensures the engine breathes effectively through a 2500 to 7200 RPM power band, utilizing a hydraulic roller design to minimize friction and internal wear during high-stress duty cycles. These specifications are critical for maintaining mechanical integrity when the vehicle is pushed to its operational limits.
This component is a direct fit for GM LS-series engines, making it a vital upgrade for technicians looking to enhance the performance of specialized fleet vehicles. When you buy the GM LS LSR Cam - 285LCBHR15, you are investing in a valvetrain solution that balances aggressive lift with the durability required for sustained high-RPM operation. Professional installation is recommended to ensure proper timing and clearance within the LS architecture, providing a significant boost to the vehicle's overall power specifications. This camshaft is an essential choice for any build prioritizing forced induction performance and long-term mechanical reliability in the field.
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