Ford Small Block 221-302 1963-1995, 351W 1969-96
Advertised Duration: 260/266
Duration @ .050": 207/213
Valve Lift w/1.60 Rockers: .480/.496
Lobe Separation Angle: 112
Intake Centerline: 108
Valve Lash: Hyd./Hyd.
800-4200. Great daily usage, smooth idle, great fuel economy.

Ford SB 221-302 1963-1995, 351W 1969-1996
Adv. Duration: 260/266
Duration @ .050": 207/213
Valve Lift: .480/496
Lobe Separation Angle: 112
Included Lifters: No
800-4200. Small Base – for use with OE style hydraulic roller lifters & spider. Great daily usage, smooth idle, great fuel economy.

Ford Small Block 221-302 1963-1995, 351W 1969-96
Advertised Duration: 262/268
Duration @ .050": 209/215
Valve Lift w/1.60 Rockers: .496/.501
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1000-4400. Improved throttle response & low end torque.

Ford SB 221-302 1963-1995, 351W 1969-1996

Ford SB 351W 1969-1996
Adv. Duration: 262/268
Duration @ .050": 209/215
Lift: .496/.501
Lobe Separation: 110 LC
Includes Lifters: No
1000-4400. Small Base Circle, Improved throttle response & low end torque.

Ford Small Block 221-302 1963-1995, 351W 1969-96
Advertised Duration: 266/272
Duration @ .050": 213/219
Valve Lift w/1.60 Rockers: .517/.517
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1000-4800. Fair idle, good low & mid range performance increase.

Ford SB 221-302 1963-1995, 351W 1969-1996 
Adv. Duration: 266/272
Duration @ .050": 213/219
Lift: .517/.517
Lobe Separation: 110 LC
Included Lifters: No
1000-4800. Small Base Circle, Fair idle, good low & mid-range performance increase.

Ford Small Block 221-302 1963-1995, 351W 1969-96 
Advertised Duration: 266/272
Duration @ .050": 213/219
Valve Lift w/1.60 Rockers: .517/.517
Lobe Separation Angle: 112
Intake Centerline: 108
Valve Lash: Hyd./Hyd.
1000-5000. Good idle, off-road & street performance. 9.0:1 CR advised.

Ford SB 221-302 1963-1995, 351W 1969-1996
Adv. Duration: 266/272
Duration @ .050": 213/219
Lift: .517/.517
Lobe Separation: 112 LC
Included Lifters: No
1000-5000. Small Base Circle, Good idle, off-road & street performance. 9.0:1 CR advised.

Ford Small Block 221-302 1963-1995, 351W 1969-1996
Advertised Duration: 270/270
Duration @ .050": 217/217
Valve Lift w/1.60 Rockers: .496/.496
Lobe Separation Angle: 113
Intake Centerline: 109
Valve Lash: Hyd./Hyd.
1000-5500. Good idle, strong low end & mid range performance. Needs 2800+ stall.

Ford SB 221-302 1963-1995,  351W 1969-1996
Adv. Duration: 270/270
Duration @ .050": 217/217
Valve Lift: .496/496
Lobe Separation Angle: 113
Included Lifters: No
1500-5500. Small Base Circle, Good idle, strong low end & mid-range performance. Needs 2800+ stall.

Ford Small Block 221-302 1963-1995, 351W 1969-96 
Advertised Duration: 270/278
Duration @ .050": 217/225
Valve Lift w/1.60 Rockers: .528/.533
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: Hyd./Hyd.
1300-5600. Fair idle, good torque & power, 1800+ stall.

Ford SB 221-302 1963-1995, 351W 1969-1993
Advertised Duration: 270/278
Duration @ .050": 217/225
Valve Lift: .528/.533
Lobe Separation Angle: 108
Lifters Included: No
1200-5600. Small Base Circle, Good rough idle. Good torque & power. 1800+ stall.