Howards Chev BB Mechanical Roller Camshafts

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HRC121133-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 261/269 @.050, .680/.680 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 293/301
Duration @ .050": 261/269
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 110
Intake Centerline: 106
3400-7300. Nice bracket cam, lopey idle, needs higher stall & lower gear.

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HRC121133-12

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 261/269 @.050, .680/.680 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 293/301
Duration @ .050": 261/269
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 112
Intake Centerline: 108
3400-7400. Nice bracket cam, lopey idle, needs higher stall. NOS OK.

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HRC121133-14

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 261/269 @ .050", .680/.680 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 293/301
Duration @ .050": 261/269
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 114
Intake Centerline: 110
3400-7500. Pro-street, great blower cam. Multiple carb suggested.

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HRC121173-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 261/271 @.050, .703/.708 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 293/303
Duration @ .050": 261/271
Valve Lift w/1.70 Rockers: .703/.708
Lobe Separation Angle: 108
Intake Centerline: 104
3500-7500. Good mid-range torque & horsepower. 12.0:1 minimum.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121173-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 261/271 @.050, .703/.708 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 293/303
Duration @ .050": 261/271
Valve Lift w/1.70 Rockers: .703/.708
Lobe Separation Angle: 110
Intake Centerline: 106
3500-7600. Good mid-range torque & horsepower. 12.0:1 minimum.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121663-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 265/277 @.050, .703/.703 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 297/309
Duration @ .050": 265/277
Valve Lift w/1.70 Rockers: .703/.703
Lobe Separation Angle: 108
Intake Centerline: 104
3800-7600. Rough idle. Good upper rpm horsepower. Auto w/4000 stall. 11.0:1+.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121663-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 265/277 @.050, .703/.703 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 297/309
Duration @ .050": 265/277
Valve Lift w/1.70 Rockers: .703/.703
Lobe Separation Angle: 110
Intake Centerline: 106
3800-7700. Rough idle. Good upper rpm horsepower. Auto w/4000 stall. 11.0:1+.

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HRC121053-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 267/277 @.050, .731/.737 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 299/309
Duration @ .050": 267/277
Valve Lift w/1.70 Rockers: .731/.737
Lobe Separation Angle: 108
Intake Centerline: 104
3800-7600. Good mid to upper rpm torque & horsepower. Minimum 4500 stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121253-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/275 @.050, .765/.714 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/307
Duration @ .050": 269/275
Valve Lift w/1.70 Rockers: .765/.714
Lobe Separation Angle: 108
Intake Centerline: 104
4000-7800. Good mid-range to upper rpm torque & power. Heavy cars OK.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121253-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/275 @.050, .765/.714 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/307
Duration @ .050": 269/275
Valve Lift w/1.70 Rockers: .765/.714
Lobe Separation Angle: 110
Intake Centerline: 106
4000-7900. Competition use, good mid & upper power, bracket. 11.0:1+ CR.

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HRC121143-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @.050, .680/.680 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/309
Duration @ .050": 269/277
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 108
Intake Centerline: 104
4000-8000. Moderate competition. Super mid & upper rpm torque & power.

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HRC121143-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @.050, .680/.680 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/309
Duration @ .050": 269/277
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 110
Intake Centerline: 106
4000-8000. Bracket/super pro, good upper rpm torque & power. 12.5:1 CR & race converter.

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