COMP Cams Camshaft CRS XR286HR-10

If you're looking to wake up the performance of your Chrysler LA-series engine, the COMP Cams Xtreme Energy XR286HR-10 camshaft is a popular choice. This camshaft is designed for Chrysler 273, 318, 340, and 360 cubic inch engines, offering a significant bump in power and responsiveness. It works well across a wide range of vehicles, including classic Mopar muscle cars like the Dodge Charger and Plymouth Barracuda, as well as trucks and vans from the same era.

The Xtreme Energy grind family is known for its ability to increase torque and horsepower without completely sacrificing street manners. This particular grind, the XR286HR-10, features a quicker valve opening and more area under the lift curve compared to older camshaft designs. This translates to better throttle response and a more aggressive feel. COMP Cams designed this camshaft to still provide adequate vacuum for essential accessories like power brakes, making it a viable option for street-strip applications. For optimal performance, it's recommended to pair this camshaft with headers, a free-flowing exhaust, and a higher stall torque converter (2800+ RPM) and lower gear ratios (3.91+).

Keep in mind that this camshaft is intended for performance use and will result in a rougher idle than a stock camshaft. It also requires a compression ratio of at least 9.5:1 to perform at its best. Ensure you have the necessary supporting modifications, such as headers and an appropriate exhaust system, to take full advantage of the XR286HR-10's capabilities.