Pontiac V8 326-455 Hydraulic Roller Camshafts

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HRC414645-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Pontiac V8 265-455, 213/221 @ .050, .485/.475 110 LS

Pontiac V8 265-455 1955-1981
4/7 Swap
Advertised Duration: 266/274
Duration @ .050": 213/221
Valve Lift w/1.50 Rockers: .485/.475
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1400-5600. Noticeable idle, broad low to mid-range power band. Needs 2000+ stall.

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HRC414145-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Pontiac V8 265-455, 219/229 @ .050, .525/.520 110 LS

Pontiac V8 265-455 1955-1981
4/7 Swap
Advertised Duration: 272/282
Duration @ .050": 219/229
Valve Lift w/1.50 Rockers: .525/.520
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
1800-6000. Mild idle, street performance, good low to mid-range torque & power.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC414345-10

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Pontiac V8 265-455, 227/237 @ .050, .560/.560 110 LS

Pontiac V8 265-455 1955-1981
4/7 Swap
Advertised Duration: 280/290
Duration @ .050": 227/237
Valve Lift w/1.50 Rockers: .560/.560
Lobe Separation Angle: 110
Intake Centerline: 106
Valve Lash: Hyd./Hyd.
2000-6200. Choppy idle, Saturday nite special, street/strip. Needs good intake, headers & 2500+.

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HRC414495-08

Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Pontiac V8 265-455, 237/243 @ .050, .560/.565 108 LS

Pontiac V8 265-455 1955-1981
4/7 Swap
Advertised Duration: 290/296
Duration @ .050": 237/243
Valve Lift w/1.50 Rockers: .560/.566
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: Hyd./Hyd.
2500-6500. Good idle, great mid-range performance. 10.0:1+ CR, 2600+ stall & 3.73 or lower gears.

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Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER

HRC414655-08

Howards, Hydraulic Roller Cam, Pontiac V8 265-455, 4/7 Swap

Pontiac V8 265-455 1955-1981
4/7 Swap
Advertised Duration: 296/302
Duration @ .050": 243/249
Valve Lift w/1.50 Rockers: .600/.600
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: Hyd./Hyd.
3000-6800. Rough idle, hot street/strip, good mid range torque & power.

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HRC414455-08

Howards, Pontiac V8 265-455, 4/7 Swap, Hydraulic Roller Cam

Pontiac V8 265-455 1955-1981
4/7 Swap
Advertised Duration: 306/312
Duration @ .050": 253/259
Valve Lift w/1.50 Rockers: .600/.600
Lobe Separation Angle: 108
Intake Centerline: 104
Valve Lash: Hyd./Hyd.
3200-7000. Hot street/bracket, major mid range & top end performance. 11.0:1+ CR, 3500+ stall.

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HRC419995

Howards, Hydraulic Roller Cam, Pontiac V8, 4/7 Swap, Custom

Pontiac V8 265-455 1955-1981
4/7 Swap, Custom Grind

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