Chevrolet BB 396-502 4/7 Swap Mech. Flat Tappet

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HRC124902-08

Howards Cams, Mechanical Flat Tappet Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 252/260 @.050, .618/.640 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 287/295
Duration @ .050": 252/260
Valve Lift w/1.70 Rockers: .618/.640
Lobe Separation Angle: 108
Intake Centerline: 104
3000-6800. Rough idle, good mid to upper range performance. 3000+ stall, 11.5:1+ CR.

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HRC124902-10

Howards Cams, Mechanical Flat Tappet Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 252/260 @.050, .618/.640 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 287/295
Duration @ .050": 252/260
Valve Lift w/1.70 Rockers: .618/.640
Lobe Separation Angle: 110
Intake Centerline: 106
3000-6800. Rough idle, good mid to upper range performance. 3000+ stall, 11.5:1+ CR.

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HRC124902-12

Howards Cams, Mechanical Flat Tappet Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 252/260 @ .050, .618/.640 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 287/295
Duration @ .050: 252/260
Valve Lift w/1.70 Rockers: .618/.640
Lobe Separation Angle: 112
Intake Centerline: 108
3000-6800. Rough idle, good mid to upper range performance. 3000+ stall, 11.5:1+ CR.

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HRC124322-08

Howards Cams, Mechanical Flat Tappet Camshaft, 4/7 Swap, Chev BB Mark IV 396-502 260/268 @.050, .629/.623 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 295/303
Duration @ .050": 260/268
Valve Lift w/1.70 Rockers: .629/.623
Lobe Separation Angle: 108
Intake Centerline: 104
3200-7000. Rough idle, good mid-range torque & power. Needs good heads & intake.

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HRC124332-08

Howards Cams, Mechanical Flat Tappet Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 268/278 @.050, .623/.650 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 303/313
Duration @ .050": 268/278
Valve Lift w/1.70 Rockers: .623/.650
Lobe Separation Angle: 108
Intake Centerline: 104
3800-7600. Moderate competition, excellent mid & upper RPM power. 12.0:1 CR.

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HRC129997

Howards Cams, Hydraulic/Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 4/7 Swap, Custom

Chevrolet BB Mark IV 396-502 1965-1996
4/7 Swap, Custom Grind

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