Howards Chev BB Mechanical Flat Tappet Camshafts

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HRC127192-14

Howards Cams, Mechanical Flat Tappet Camshaft, American Muscle, Chev BB Mark IV 396-502, 242/242 @.050, .539/.539 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: American Muslce
Advertised Duration: 336/316
Duration @ .050": 242/242
Valve Lift w/1.70 Rockers: .539/.539
Lobe Separation Angle: 114
Intake Centerline: 108
1800-6500. Smooth idle, near duplicate of the Chev LS6 465HP/454 cam (GM #3904362).

In Stock

HRC127522-12

Howards Cams, Mechanical Flat Tappet Camshaft, American Muscle, Chev BB Mark IV 396-502, 264/270 @.050, .579/.600 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: American Muscle
Advertised Duration: 342/333
Duration @ .050": 264/270
Valve Lift w/1.70 Rockers: .579/.600
Lobe Separation Angle: 112
Intake Centerline: 108
2800-6800. Near duplicate of the Chev L88 430HP/427 cam (GM #3928911).

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121052-10

Howards Cams, Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 248/248@ .050, .578/.578, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 283/283
Duration @ .050": 248/248
Valve Lift w/1.70 Rockers: .578/.578
Lobe Separation Angle: 110
Intake Centerline: 106
2500-6400 Rough idle, Street/Strip, best with 10.0+ CR, 3000+ stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121742-08

Howards Cams, Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 248/254 @ .050, .578/.623, 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 283/289
Duration @ .050": 248/254
Valve Lift w/1.70 Rockers: .578/.623
Lobe Separation Angle: 108
Intake Centerline: 104
2600-6500 Lopey idle, Street High Performance/Strip. Best with 3200 stall, 10.5:1 CR & 800+ cfm.

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HRC122312-10

Howards Cams, Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 250/256@ .050, .595/.606, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 285/291
Duration @ .050": 250/256
Valve Lift w/1.70 Rockers: .595/.606
Lobe Separation Angle: 110
Intake Centerline: 106
2800-6600 Increased mid-range torque & horsepower. Can be used with NOS.

In Stock

HRC122142-12

Howards Cams, Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 250/260@ .050, .595/.629, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 285/295
Duration @ .050": 250/260
Valve Lift w/1.70 Rockers: .595/.629
Lobe Separation Angle: 112
Intake Centerline: 108
3000-6800 Fair idle, excellent Bracket cam. Increased CR required.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC120902-08

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

Chevrolet BB Mark IV 396-502 1965-1996
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, Hot Street/Bracket/Short Track Oval, high torque grind. 3000+ stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC120902-10

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

Chevrolet BB Mark IV 396-502 1965-1996
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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HRC120902-12

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

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 287/295
Duration @ .050": 252/260
Valve Lift w/1.70 Rockers: .618/.640
Lobe Separation Angle: 112
Intake Centerline: 108
3000-7000 Fair idle, good mid-range power. 11.5-12.5:1 CR, 3000+ stall. Roots blower 8.0:1 max.

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HRC121932-08

Howards Cams, Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 254/260 @ .050, .623/.629, 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 289/295
Duration @ .050": 254/260
Valve Lift w/1.70 Rockers: .623/.629
Lobe Separation Angle: 108
Intake Centerline: 104
3200-7000 Rough idle, Bracket/Oval Track, great high torque, good mid-range power.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121932-10

Howards Cams, Mechanical Flat Tappet Camshaft, Chev BB Mark IV 396-502, 254/260@ .050, .623/.629, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 289/295
Duration @ .050": 254/260
Valve Lift w/1.70 Rockers: .623/.629
Lobe Separation Angle: 110
Intake Centerline: 106
3200-7000 Fair idle, Bracket E.T. Nice mid-range torque & power. 11.5:1+ CR, 3400+ stall.

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HRC122322-08

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

Chevrolet BB Mark IV 396-502 1965-1998
Advertised Duration: 295/303
Duration @ .050": 260/268
Valve Lift w/1.70 Rockers: .629/.623
Lobe Separation Angle: 108
Intake Centerline: 104
3600-7200 Rough idle, good mid-range torque & power. Needs good heads & intake.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

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