Chain drive. 592 CAM - ''The big nasty'' Put your big boy pants on get serious with bore size; ported cylinder heads/intake; high flow valves and throttle body. Aggressive camshaft requiring high lift and higher load valve springs; performance pushrods and lifters. High flow air cleaner and triple stepped exhaust pipe highly recommended. Feuling recommends Feuling''s Race Series oiling system 707407 or 707410. NOTE: Requires high lift/high load valve springs. Feuling recommends Feuling''s valve spring kit 588022 and heavy duty pushrods 993528. Clearances must be checked when installing this cam. SE cam plates OEM 25400419 have been found to have clearance issues on high lift camshafts. RPM range 2;750 - 6;350. Grind: 592...............Valve Lift Open Close Duration @ 50" TDC Lift Lobe CenterlineIntake .578 20 34 234 182 97 Exhaust .592 68 16 264 146 116Overlap: 36