Specifications Cam Type: Roller SAE Duration Int: 284 SAE Duration Exh: 301 050 Duration Int: 181 050 Duration Exh: 191 SAE Over Lap: 0 050 Over Lap: 0 Cam Lift Int: .252 Inlet Lobe Lift: 0 Cam Lift Exh: .255 Valve Lift Int: .404 Valve Lift Exh: .408 Lobe Centres Int: 115.5 Lobe Centres Exh: 109.5 Lobe Spread: 112.5 Lash Int: Hyd Lash Exh: Hyd