***REQUIRES UPGRADED VALVE SPRINGS***

Jim designed this cam to work perfectly for big bore 128-135 cubic inch Gen 1 Milwaukee 8 engines. It is our “go-to” replacement cam for Harley’s Screamin’ Eagle 131 Stage IV engine that is found in so many bikes as well as the 131 crate engine. As with all of Jim’s cams, it generates a very flat torque curve across the rev range and makes its peak HP between 5500-6000rpms. This cam has the perfect blend of torque and horsepower. It It pairs perfectly with upgraded cylinder heads and an intake tract size between 62-65mm. It produces a very distinct “choppy” idle and very aggressive rumble while revving the engine! You’ll be blown away by the newfound power in your 131 engine! Torque comes in early and continues to pull hard until redline!

.550 Lift

32 Degree Intake Close