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Modern Horsepower Cylinder Heads

Modern Horsepower is a comprehensive one-stop automotive performance aftermarket supplier and installer. We aspire to provide complete product selection and expert customer support that professional mechanics, as well as dedicated hobbyists, demand.

Modern Horsepower continually tests the products we sell in order to bring our customers the best bang for the buck and combination possible. We feature a huge inventory of brands of aftermarket parts at competitive prices.

Whether your next project is as simple as replacing the wiper blades or as complex as rebuilding a transmission, our team of experts have engineered a revolutionary solution to take you from diagnosis to purchase in no time flat.

Modern Horsepower ECU Tuning | Modern Horsepower Headers | Modern Horsepower Intake Boxes

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	Modern Horsepower Race Ported Cylinder Heads Mercedes-Benz 63 AMG M156 08-11  Model Number: MC63MHPM156RPCH   View Price Modern Horsepower Race Ported M156/AMG 63 Cylinder Heads feature: Full Hand Race PortSerdi 5 Angle Valve Job with Hand BlendBack Cut Stock ValvesTrimmed Valve GuidesDecked for Higher Static C/RCustomers must reuse their stock cams. Modified OEM Valvetrain has been tested to 8000rpm without failure. Gains 25rwhp-30rwhp/20rwtq SAE on 93 octane, and more on 100 octane. Even with extremely mild stock cams, by increasing the efficiency of the cylinder head via porting/recontouring/reshaping it, MHP e...