Howards Chev BB 65-96 Hyd. Roller (Retro-Fit)

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HRC120265-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 237/243 @ .050, .635/.640, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 290/296
Duraiton @ .050": 237/243
Valve Lift w/1.70 Rockers: .635/.640
Lobe Separation Angle: 112
Intake Centerline: 108
2600-6500 Lopey idle, Hot Street & Bracket Racing. 10.0:1+ CR advised.

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HRC120265-14

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 237/243 @ .050, .635/.640 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 290/296
Duration @ .050": 237/243
Valve Lift w/1.70 Rockers: .635/.640

Lobe Separation Angle: 114
Intake Centerline: 110
2600-6500. Lopey idle, hot street & bracket racing. 10.0:1+ CR advised.

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HRC120275-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 241/241 @ .050, .618/.618, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 294/294
Duration @ .050": 241/241
Valve Lift w/1.70 Rockers: .618/.618
Lobe Separation Angle: 110
Intake Centerline: 106
2800-6500 Rough idle, Bracket Race with excellent mid & upper end horsepower.

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HRC120665-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 243/249 @ .050, .640/.640, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 296/302
Duration @ .050": 243/249
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 110
Intake Centerline: 106
2900-6500 Rough idle, Street/Strip, great upper mid-range power. 10.0:1+ CR, 3000+ stall.

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HRC120665-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 243/249 @ .050, .640/.640, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 296/302
Duration @ .050": 243/249
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 112
Intake Centerline: 108
3000-6500 Lopey idle, broad mid-range power. 10.0:1 CR, 3000+ stall.

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HRC121615-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 243/255 @ .050, .640/.640, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 296/308
Duration @ .050": 243/255
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 112
Intake Centerline: 108
3000-6600 Lopey idle, Excellent mid to top end power. 10.0:1+ CR, 3200+ stall.

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HRC121615-14

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 243/255 @ .050, .640/.640, 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 296/308
Duration @ .050": 243/255
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 114
Intake Centerline: 110
3000-6600 Fair idle. Good mid-range with top end power. Good with blower or NOS.

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HRC123505-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 247/255 @ .050, .680/.680, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 300/308
Duration @ .050": 247/255
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 110
Intake Centerline: 106
3200-6600 Rough lopey idle, Pro Street/Bracket. 3500+ stall, 10.5:1+ CR, good intake & exhaust.

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HRC123505-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 247/255 @ .050, .680/.680, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 300/308
Duration @ .050": 247/255
Valve Lift w/1.70 Rockers: .680/.680
Lobe Separation Angle: 112
Intake Centerline: 108
3000-6600 Rough idle, Pro Street/Strip. Best in larger cubic inch, broad power. 10.5:1+ CR.

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HRC120145-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 249/249 @ .050, .640/.640, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 302/302
Duration @ .050": 249/249
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 110
Intake Centerline: 106
3400-6700 Rough idle, Hot Street/Bracket. Needs 10.5:1 CR, 3500+ stall, headers, good intake.

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HRC120345-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 249/255 @ .050, .640/.640, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 302/308
Duration @ .050": 249/255
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 110
Intake Centerline: 106
3400-6800 Lopey idle, Pro Street/Bracket. 10.5:1+ CR advised.

Check for Availability

HRC120345-14

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 249/255 @ .050, .640/.640, 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 302/308
Duration @ .050": 249/255
Valve Lift w/1.70 Rockers: .640/.640
Lobe Separation Angle: 114
Intake Centerline: 110
3400-6800 Lopey idle, Pro-Street/Bracket. 10.5:1+ CR advised. OK with NOS.

Check for Availability

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