FEULING 487 CHAIN DRIVE CAM SHAFT ('17+M8)FEULING 472 CHAIN DRIVE CAMSHAFT ('17+M8) 487 CAM The 487 Reaper CHOP is a great all around camshaft and Feulings go to for 4 1 2 stroke 114 117 looking for an aggressive bolt in. The 487 has that nasty CHOP idle sound while producing a wide powerband that the Feuling cams are known for. Responds very well to increased bore and or compression, exhaust system and air cleaner. Use of performance valve springs is not required but may result in a quieter,
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