Chevrolet BB 396-502 4/7 Swap Mech. Roller Cams

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HRC124243-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502 277/283 @.050, .810/.765 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 309/315
Duration @ .050": 277/283
Valve Lift w/1.70 Rockers: .810/.765
Lobe Separation Angle: 110
Intake Centerline: 106
4500-8200. 13.0:1+ CR, good heads. Strong mid & top end.

In Stock

HRC124183-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 277/285 @.050, .703/.714 108LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 309/317
Duration @ .050": 277/285
Valve Lift w/1.70 Rockers: .703/.714
Lobe Separation Angle: 108
Intake Centerline: 104
4300-8000. Good upper rpm torque & horsepower. 12.5:1+ CR. 5000+ stall.

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HRC124183-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 277/285 @.050, .703/.714 110LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 309/317
Duration @ .050": 277/285
Valve Lift w/1.70 Rockers: .703/.714
Lobe Separation Angle: 110
Intake Centerline: 106
4300-8000. Great super-comp. cam. 468+ with 12.5:1 CR-up, OK with NOS.

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HRC124583-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 279/285 @.050, .771/.731 108LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 311/317
Duration @ .050": 279/285
Valve Lift w/1.70 Rockers: .771/.731
Lobe Separation Angle: 108
Intake Centerline: 104
4500-7800. 540 bracket special. 13.0:1 CR, 5000+ stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC124263-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 281/287 @.050, .799/.765 110LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 313/319
Duration @ .050": 281/287
Valve Lift w/1.70 Rockers: .799/.765
Lobe Separation Angle: 110
Intake Centerline: 106
4400-8000. 540+, strong torque. Also good tractor pull.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC124053-14

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 281/295 @.050, .873/.810 114LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 313/327
Duration @ .050": 281/295
Valve Lift w/1.70 Rockers: .873/.810
Lobe Separation Angle: 114
Intake Centerline: 110
4600-8200. 540+ cubic inch. 12.5:1 minimum. Race converter & NOS.

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HRC124623-10

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 283/287 @.050, .765/.737 110LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 315/319
Duration @ .050": 283/287
Valve Lift w/1.70 Rockers: .765/.737
Lobe Separation Angle: 110
Intake Centerline: 106
4400-8200. Quick 16. Needs good heads. Needs 13.0:1+ CR.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC124623-12

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 283/287 @.050, .765/.737 112LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 315/319
Duration @ .050": 283/287
Valve Lift w/1.70 Rockers: .765/.737

Lobe Separation Angle: 112
Intake Centerline: 108
4400-8200. Quick 16. Needs good heads. Needs 13.0:1+ CR.

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HRC124803-14

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 285/311 @.050, .850/.810 114LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 317/343
Duration @ .050": 285/311
Valve Lift w/1.70 Rockers: .850/.810
Lobe Separation Angle: 114
Intake Centerline: 110
5000-8000. 550+ ci with Big Chief style heads. Needs high compression & big carburetion.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC124303-08

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 285/295 @.050, .731/.725 108LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 317/327
Duration @ .050": 285/295
Valve Lift w/1.70 Rockers: .731/.725
Lobe Separation Angle: 108
Intake Centerline: 104
5400-8000. Super gas/super comp. Needs good heads.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC124303-12

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 285/295 @.050, .731/.725 112LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 317/327
Duration @ .050": 285/295
Valve Lift w/1.70 Rockers: .731/.725
Lobe Separation Angle: 112
Intake Centerline: 108
5200-8000. Good upper mid to top end for 540+, strongly suggest 13.0:1+ CR & good race converter.

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HRC124033-12

Howards Cams, Steel Billet Mechanical Roller Camshaft, 4/7 Swap, Chev BB Mark IV 396-502, 285/295 @.050, .810/.765 112LS

Chevrolet BB Mark IV 396-502 1965-1996
Cam Series: 4/7 Swap
Advertised Duration: 317/327
Duration @ .050": 285/295
Valve Lift w/1.70 Rockers: .810/.765
Lobe Separation Angle: 112
Intake Centerline: 108
5500-8200. 480+. Good heads 13.0:1+ CR. Some nitrous OK.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

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