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

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HRC120255-08

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 231/235 @ .050, .578/.618 108 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 284/288
Duration @ .050": 231/235
Valve Lift w/1.70: .578/.618
Lobe Separation Angle: 108
Intake Centerline: 104
2400-6000 Fair idle, Performance usage. Great mid-range torque & power.

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HRC120255-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 231/235 @ .050, .578/.618 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 284/288
Duration @ .050": 231/235
Valve Lift w/1.70: .578/.618
Lobe Separation Angle: 112
Intake Centerline: No
2400-6000 Fair idle, Performance usage. Great mid-range torque & power.

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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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HRC121905-11

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 233/233 @ .050, .601/.601, 111 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: 111
Intake Centerline: 107
2500-6200 Rough idle, Hot Street. Good usable mid-range power band. 9.5:1+ CR, 2500+ stall.

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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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HRC120205-12

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 233/245 @ .050, .635/.635, 112 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 286/298
Duration @ .050": 233/245
Valve Lift w/1.70 Rockers: .635/.635
Lobe Separation Angle: 112
Intake Centerline: 108
2500-6300 Fair idle, Aggressive Street. Big mid-range torque. 9.5:1+ CR, 2500+ stall.

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HRC120205-14

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 233/245 @ .050, .635/.635, 114 LS

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 286/298
Duration @ .050": 233/245
Valve Lift w/1.70 Rockers: .635/.635
Lobe Separation Angle: 114
Intake Centerline: 110
2500-6300 Fair idle, Aggressive Street. Big mid-range torque. Good with 150+ NOS or blower.

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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.

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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.

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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

HRC120265-10

Howards Cams, Retro-Fit Hydraulic Roller Camshaft, Chev BB Mark IV 396-502, 237/243 @ .050, .635/.640, 110 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: 110
Intake Centerline: 106
2600-6500 Decent idle, Performance Street. Needs 10.0:1+ CR, 2800+ stall.

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