Howards Chev BB Hydraulic Flat Tappet Camshafts

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HRC121721-08

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 241/247@ .050, .570/.578, 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 294/301
Duration @ .050": 241/247
Valve Lift w/1.70 Rockers: .570/.578
Lobe Separation Angle: 108
Intake Centerline: 104
2500-6500 Rough idle, Hot Street/Strip, big mid-range torque. 11.0:1 CR, 3000+ stall.

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HRC121721-10

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 241/247@ .050, .570/.578, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 294/301
Duration @ .050": 241/247
Valve Lift w/1.70 Rockers: .570/.578
Lobe Separation Angle: 110
Intake Centerline: 106
2500-6600 Rough idle, Street/Strip, strong mid-range power. 9.5:1+ CR, 2800+ stall.

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HRC121721-12

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 241/247@ .050, .570/.578, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 294/301
Duration @ .050": 241/247
Valve Lift w/1.70 Rockers: .570/.578
Lobe Separation Angle: 112
Intake Centerline: 108
2500-6800 Good idle, Street/Strip. Broad mid-range to upper end performance. 9.5:1+ CR.

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HRC122531-10

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 243/253@ .050, .575/.595, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 297/307
Duration @ .050": 243/253
Valve Lift w/1.70 Rockers: .575/.595
Lobe Separation Angle: 110
Intake Centerline: 106
2800-6800 Super mid-range & top end horsepower. Minimum 11.0:1 CR.

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HRC120061-10

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 245/245@ .050, .578/.578, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 299/299
Duration @ .050": 245/245
Valve Lift w/1.70 Rockers: .578/.578
Lobe Separation Angle: 110
Intake Centerline: 106
2800-6900 Hot Street & Bracket Racing. Big torque. 10.0:1+ CR, 3000+ stall, lower gears.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC120741-10

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 245/249@ .050, .578/.578, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 299/303
Duration @ .050": 245/249
Valve Lift w/1.70 Rockers: .578/.578
Lobe Separation Angle: 110
Intake Centerline: 106
2800-6800 Rough idle, Hot Street/Strip. Strong mid0range torque. 10.0:1+ CR, 3000+ stall.

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HRC120741-12

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 245/249@ .050, .578/.578, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 299/303
Duration @ .050": 245/249
Valve Lift w/1.70 Rockers: .578/.578
Lobe Separation Angle: 112
Intake Centerline: 108
2800-7000 Fair idle, Hot Street/Strip. Big mid-range torque. 10.0:1+ CR, 3000+ stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121271-10

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 249/255@ .050, .595/.595, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 303/309
Duration @ .050": 249/255
Valve Lift w/1.70 Rockers: .595/.595
Lobe Separation Angle: 110
Intake Centerline: 106
3000-7000 Rough idle, Pro Street/Bracket, strong mid to top end. 10.5:1 CR, 3200+ stall.

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HRC121271-12

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 249/255@ .050, .595/.595, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 303/309
Duration @ .050": 249/255
Valve Lift w/1.70 Rockers: .595/.595
Lobe Separation Angle: 112
Intake Centerline: 108
3000-7200 Fair idle, Pro Street/Bracket. Strong mid-range with good upper end power.

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HRC121861-10

Howards Cams, Hydraulic Flat Tappet Camshaft, ChevBB Mark IV 396-502, 251/259@ .050, .612/.595, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 305/313
Duration @ .050": 251/259
Valve Lift w/1.70 Rockers: .612/.595
Lobe Separation Angle: 110
Intake Centerline: 106
3200-7400 Rough idle, Very aggressive Street/Bracket. Strong upper mid-range. 11.0:1+ CR.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121861-12

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, 251/259@ .050, .612/.595, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 305/313
Duration @ .050": 251/259
Valve Lift w/1.70 Rockers: .612/.595
Lobe Separation Angle: 112
Intake Centerline: 108
3200-7400 Performance/Bracket for 500+. 10.5-12.0:1 CR. Also good with large roots blower.

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HRC129991

Howards Cams, Hydraulic Flat Tappet Camshaft, Chev BB Mark IV 396-502, Custom

Chevrolet BB Mark IV 396-502 1965-1996
Custom Grind

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