Howards Chev BB Mechanical Roller Camshafts

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HRC121143-12

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @.050, .680/.680 112 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: 112
Intake Centerline: 108
4000-8000. Competition, good mid & upper horsepower, bracket cars, OK w/NOS.

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HRC121123-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @.050, .703/.703, 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/309
Duration @ .050": 269/277
Valve Lift w/1.70 Rockers: .703/.703
Lobe Separation Angle: 108
Intake Centerline: 104
4000-8000. Competition use, good mid & upper horsepower, bracket cars.

Check for Availability

Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121123-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @.050, .703/.703 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/309
Duration @ .050": 269/277
Valve Lift w/1.70 Rockers: .703/.703
Lobe Separation Angle: 110
Intake Centerline: 106
4000-8000. Competition, good mid & upper horsepower, bracket cars, OK w/NOS.

Check for Availability

Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121123-12

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @ .050, .703/.703, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/309
Duration @ .050": 269/277
Valve Lift w/1.70 Rockers: .703/.703

Lobe Separation Angle: 112
Intake Centerline: 108
4000-8000. Competition, good mid & upper horsepower, bracket cars, OK with small NOS.

Check for Availability

HRC121123-14

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 269/277 @.050, .703/.703 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 301/309
Duration @ .050": 269/277
Valve Lift w/1.70 Rockers: .703/.703
Lobe Separation Angle: 114
Intake Centerline: 110
4000-8000. Competition use, good mid & upper horsepower, multi-stage NOS.

Check for Availability

Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121673-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 273/277 @.050, .731/.737 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 305/309
Duration @ .050": 273/277
Valve Lift w/1.70 Rockers: .731/.737
Lobe Separation Angle: 108
Intake Centerline: 104
4200-8000. Competition use. 13.0:1 minimum. Good mid & upper range power.

Check for Availability

Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121673-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 273/277 @.050, .731/.737 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 305/309
Duration @ .050": 273/277
Valve Lift w/1.70 Rockers: .731/.737
Lobe Separation Angle: 110
Intake Centerline: 106
4200-8000. Super gas, great mid-range. Needs good intake, 13.0:1+, 4500 stall.

Check for Availability

Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121023-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 277/283 @.050, .765/.714 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 309/314
Duration @ .050": 277/283
Valve Lift w/1.70 Rockers: .765/.714
Lobe Separation Angle: 108
Intake Centerline: 104
4400-8200. Competition use, good mid & upper horsepower.

Check for Availability

HRC121023-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 277/283 @.050, .765/.714 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 309/314
Duration @ .050": 277/283
Valve Lift w/1.70 Rockers: .765/.714
Lobe Separation Angle: 110
Intake Centerline: 106
4400-8200. Competition use, good mid & upper horsepower.

Check for Availability

Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121693-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 277/285 @.050, .737/.714 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 309/317
Duration @ .050": 277/285
Valve Lift w/1.70 Rockers: .737/.714
Lobe Separation Angle: 108
Intake Centerline: 104
4300-8000. Bracket/super gas, heavier car. Needs race converter.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC121083-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 277/285 @.050, .714/.714 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 309/317
Duration @ .050": 277/285
Valve Lift w/1.70 Rockers: .714/.714
Lobe Separation Angle: 108
Intake Centerline: 104
4300-8000. Great super-comp. cam. 468+ CID with 12.5:1 CR-up.

In Stock

HRC121083-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, Chev BB Mark IV 396-502, 277/285 @.050, .714/.714 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 309/317
Duration @ .050": 277/285
Valve Lift w/1.70 Rockers: .714/.714
Lobe Separation Angle: 110
Intake Centerline: 106
4300-8000. Great super-comp. cam. 468+ with 12.5:1 CR-up, OK with NOS.

In Stock

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