Holden V8 304 355 5.0L VN-VT Carb Hydraulic Camshaft 213/217@50

Holden V8 304/355 5.0L VN-VT Carb Hydraulic Camshaft (213/217 @50)

Engineered for the Holden V8 family, this VN-VT carbureted hydraulic camshaft is designed to wake up the carby-era 304/355/5.0L engines with a practical balance of idle quality and mid-range torque. It’s tailored for VN-VT heads only and aims to deliver a rugged idle alongside confident acceleration through the mid RPM band, making it a solid choice for street-driven performance enthusiasts.

Key specifications

• Part No.: 4890-8
• Engine compatibility: Holden V8 304/355 5.0L VN-VT
• Carbureted VN-VT heads only
• Rpm range: 1800–4800
• Duration (Advertised): IN 273°, EX 277°
• Duration @.050”: IN 213°, EX 217°
• Lobe Separation Angle: 108°
• Lash (Measured Hot): IN 0.476", EX 0.485"
• Camshaft type: Hydraulic (HYD)
• Must use performance springs
• Must use performance retainers
• Transmission compatibility: Standard automatic will suit

Performance & driveline notes

The cam delivers a tough idle paired with a strong mid-range, translating to immediate throttle response and steady pull as RPM climbs from about 1800 up to 4800. Being a hydraulic design, it helps maintain valve train efficiency and reduces maintenance compared with solid lifter setups. For best results, pair with the recommended performance springs and retainers to suit the duration and lash specs.

Fitment & installation considerations

• Designed specifically for carburetted VN-VT heads
• Compatible with standard automatic transmissions
• Requires appropriate high-performance springs and retainers to match the duration and lash figures