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

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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.

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HRC120355-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 251/257 @ .050, .629/.629, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 304/310
Duration @ .050": 251/257
Valve Lift w/1.70 Rockers: .629/.629
Lobe Separation Angle: 110
Intake Centerline: 106
3500-6800 Lopey idle, Hot Street/Bracket. Single plane intake, 10.5:1+ CR advised.

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HRC120405-08

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 235/241 @ .050, .618/.618, 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 288/294
Duration @ .050": 235/241
Valve Lift w/1.70 Rockers: .618/.618
Lobe Separation Angle: 108
Intake Centerline: 104
2600/6400 Rough idle, Hot Street/Strip. Great mid-range. Needs good heads, 10.0:1+ CR.

In Stock

HRC120405-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 235/241 @ .050, .618/.618, 110 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 288/294
Duration @ .050": 235/241
Valve Lift w/1.70 Rockers: .618/.618
Lobe Separation Angle: 110
Intake Centerline: 106
2600-6400 Fair idle, Street/Strip, best in 496-540ci. Nice mid-range power. 2600+ stall.

In Stock

HRC120405-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 235/241 @ .050, .618/.618, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 288/294
Duration @ .050": 235/241
Valve Lift w/1.70 Rockers: .618/.618
Lobe Separation Angle: 112
Intake Centerline: 108
2600-6400 Rough idle, strong mid-range torque & horsepower.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC120605-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 233/247 @ .050, .601/.612, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 286/300
Duration @ .050": 233/247
Valve Lift w/1.70 Rockers: .601/.612
Lobe Separation Angle: 112
Intake Centerline: 108
2500-6200 Mild idle, Hot Street. Great mid-range performance. 9.5:1+ CR, 2500+ stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC120605-14

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 233/247 @ .050, .601/.612, 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 286/300
Duration @ .050": 233/247
Valve Lift w/1.70 Rockers: .601/.612
Lobe Separation Angle: 114
Intake Centerline: 110
2500-6500 Mild idle, Hot Street. Great mid-range performance. Small blower or NOS OK.

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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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HRC121905-08

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 233/233 @ .050, .601/.601, 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 286/286
Duration @ .050": 233/233
Valve Lift w/1.70 Rockers: .601/.601
Lobe Separation Angle: 108
Intake Centerline: 104
2500-6100 Rough idle, Performance Street/Mild strip. Nice mid-range. 9.5:1+ CR, 2500+ stall.

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