The 487 Reaper CHOP is a great all-around camshaft and Feulings go to for 4 1/2 stroke 114 – 117 looking for an agressive bolt-in. The 487 has that nasty CHOP idle sound while producing a wide powerband that the Feuling cams are known for. Responds very w
5 Open, 37 Close, 237 Duration @ 50, .180 lift @ TDC, 98.5 Lobe Centerline
* Exhaust: .487 Valve Lift, 44 Open, 17.5 Close, 241.5 Duration @ 50, .146 lift @ TDC, 103.25 Lobe Centerline
* Overlap: 38
