Holden V8 304 355 5.0L VN-VT Carb Hydraulic Camshaft 227/234@50
SKU: CC4921-8
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Specifically engineered for Holden V8 engines in VN-VT format, this hydraulic camshaft is designed for carbureted VN-VT heads only. It delivers a hot street profile with a mild idle and a wide power band, making it a compelling upgrade for street-driven V8s that crave more midrange and top-end response. Installation requires headers, a carb, ignition, comp & hi stall, and it must be paired with performance springs and retainers for reliable operation.
Key specifications
- Part No.: 4921-8
- Engine compatibility: Holden V8 304/355 5.0L VN-VT (carbureted VN-VT heads only)
- Cam type: Hydraulic
- RPM range: 2700–5800
- Duration (Advertised): Intake 276°, Exhaust 284°
- Duration @.050" (IN/EX): Intake 227°, Exhaust 234°
- Valve lift with 1.65:1 rockers: Intake 0.536", Exhaust 0.556"
- Lobe Separation Angle: 108°
- Lash (hot): Hydraulic (IN/EX)
Performance profile
Designed as a hot street cam, this profile emphasizes a broad power band with a mild idle characteristic. When paired with appropriate exhaust headers, carburetion, and ignition tuning, it unlocks increased airflow and improved mid-range pull, making it a noticeable upgrade over stock cam solutions without sacrificing daily drivability.
Installation and setup
- Required components: headers, carburetor, ignition system, comp & hi stall
- Must use performance springs and performance retainers to ensure reliable operation with this cam profile
| RPM Range | Part No. | Duration | with 1.65 Rocker | Lobe Sep Angle | Lash Measured Hot |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Advertised | @.050” | |||||||||
| IN | EX | IN | EX | IN | EX | IN | EX | |||
| 2700 - 5800 | 4921-8 | 276° | 284° | 227° | 234° | .536'' | .556'' | 108° | HYD | HYD |