Holden V8 253 308 Red Blue Black Hydraulic Camshaft 222/230@50

Holden V8 253-308 Hydraulic Camshaft — Red, Blue & Black Finish

Unlock a hot street character for Holden V8 builds with this hydraulic camshaft designed for carby heads. The red, blue and black finish adds a distinctive under-hood look while delivering a choppy idle and a broad, usable power band for street-driven 308 engines. This camshaft is built to work with a complete performance setup that includes headers, a carburetor, ignition, and a high-stall converter.

Key specifications

• Part number: 5689-9
• Engine compatibility: Holden V8 253-308 (carby heads only)
• RPM range: 2400–5500 (for 308 engines)
• For 253 engines, add 500 RPM to the range (approximately 2900–6000)
• Duration (Advertised): IN 280°, EX 289°
• Duration with 1.65 rocker: IN 222°, EX 230° @.050"
• Lobe separation angle: 109°
• Lash (hot, measured): IN.489", EX.495"
• Hydraulic cam design: HYD
• Requirements: Must use performance springs and performance retainers
• Driveability note: Converter stall speed should be equal to or greater than the minimum RPM of the cam's power range

Application guidance: This profile is described as a hot street cam with a choppy idle and wide power band, optimized for a setup featuring headers, carburetor, ignition advances, and a higher-stall converter. If you’re fitting this to a 253 engine, remember to adjust the RPM expectations by adding 500 RPM to the base range to reflect the engine’s characteristics.