Oldsmobile V8 39° 307-455 Hyd. Roller Camshafts

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HRC514245-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Oldsmobile 39° V8, 219/229 @ .050, .523/.512 110 LS

Oldsmobile 39° V8 260-455 1967-1990
4/7 Swap
Advertised Duration: 272/282
Duration @ .050": 219/229
Valve Lift w/1.60 Rockers: .523/.512
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1600-5400. Good idle, street, broad low to mid-range performance.

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HRC514825-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Oldsmobile 39 Deg. V8, 225/229 @ .050, .560/.555 110 LS

Oldsmobile 39 Deg. V8 260-455 1967-1990
Advertised Duration: 278/282
Duration @ .050": 225/229
Valve Lift w/1.60 Rockers: .560/.555
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1800-5600. Fair idle, performance street, broad usable power range.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC514155-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Oldsmobile 39 Deg. V8, 233/233 @ .050, .549/.549 110 LS

Oldsmobile 39 Deg. V8 260-455 1967-1990
4/7 Swap
Advertised Duration: 286/286
Duration @ .050": 233/233
Valve Lift w/1.60 Rockers: .549/.549
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
2000-5800. Choppy idle, strong low & mid-range performance. 2500+ stall.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC514635-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Oldsmobile 39° V8, 235/241 @ .050, .581/.581 110 LS

Oldsmobile 39° V8 260-455 1967-1990
4/7 Swap
Advertised Duration: 288/294
Duration @ .050": 235/241
Valve Lift w/1.60 Rockers: .581/.581
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
2200-6600. Rough idle, strong mid-range torque & horsepower.

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HRC519995

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Olds 39 Degree V8, 4/7, Custom

Oldsmobile 39 Degree V8 260-455 1967-1990
4/7 Swap, Custom Grind

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