Ford Cleveland/M 351C-351M-400
Advertised Duration: 265/265
Duration @ .050": 230/230
Valve Lift w/1.73 Rockers: .554/.554
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: .022/.022
2000-6000. Fair idle, street/strip, excellent mid-range performance, 3000+ stall.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 265/265
Duration @ .050": 230/230
Valve Lift w/1.73 Rockers: .554/.554
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: .022/.022
2000-6200. Good street cam, broad power range, 2200+ stall recommended.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 264/268
Duration @ .050": 236/240
Valve Lift w/1.73 Rockers: .621/.638
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: .022/.022
2400-6400. Mild lopey idle, street/strip, great mid-range, 9.5:1+ CR, 2800+ stall & headers.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 279/287
Duration @ .050": 244/252
Valve Lift w/1.73 Rockers: .588/.611
Lobe Separation Angle: 106
Intake Centerline: 104
Valve Lash: .022/.022
2800-6800. Rough idle, super mid-range performance, needs 10.5:1+ CR.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 285/291
Duration @ .050": 250/256
Valve Lift w/1.73 Rockers: .606/.617
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: .022/.022
3200-7200. Pro street/bracket cam, requires 3500+ stall, 10.5:1+ CR.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 287/295
Duration @ .050": 252/260
Valve Lift w/1.73 Rockers: .629/.640
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: .022/.022
3400-7500. Rough idle, strong mid-range performance.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 295/295
Duration @ .050": 260/260
Valve Lift w/1.73 Rockers: .640/.640
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: .022/.022
3600-7600. Pro street/bracket, strong top end, 3500+ stall, 11.0:1+ CR.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 295/303
Duration @ .050": 260/268
Valve Lift w/1.73 Rockers: .640/.634
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: .022/.022
3800-7800. Lopey idle, pro street/bracket, 4000+ stall, 11.0:1+ CR.

Ford Cleveland/M 351C-351M-400
Advertised Duration: 303/313
Duration @ .050": 268/278
Valve Lift w/1.73 Rockers: .634/.661
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: .022/.022
4400-8000. Rough idle, E.T. brackets, strong mid to top end. 4500+ stall.

Ford Cleveland/M 351C-351M-400
Custom Grind