COMP Cams Cam & Lifter Kit FW 291T HR-7

This COMP Cams Mutha' Thumpr camshaft and lifter kit features a 235/249 degree duration at .050 inch lift, making it a serious upgrade for your Ford 351 Windsor engine. Designed for high-performance street and strip applications, this kit is built to deliver a noticeable change in your engine's character and power output. It's a popular choice for builders looking to push their 351W beyond stock capabilities, often paired with other performance components to maximize its potential.

To get the most out of this cam, COMP Cams recommends a minimum of 9:1 compression, a 2500+ RPM stall speed torque converter if you have an automatic transmission, and supporting modifications like an upgraded intake, rear gears, and headers. You should expect a rough idle with this camshaft, which is characteristic of its aggressive performance profile. The kit comes complete with the camshaft, hydraulic roller lifters, assembly lube to ensure proper break-in, and decals for that finishing touch. This is a well-built kit designed for those who want a powerful, streetable cam with a distinct, aggressive sound.

This kit fits a wide range of Ford vehicles, including popular models like the Bronco, F-150, and E-series vans from the late 1960s through the mid-1990s. It's important to note that this camshaft is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and break-in procedures to ensure optimal performance and longevity of your new valvetrain.