SKU: RFN60-5000-625
MPN: 60-5000-625
The RACE-FAN Fan Hub 5/8in Center Hole (SKU: RFN60-5000-625, MPN: 60-5000-625) is a precision mechanical fan hub assembly designed for high-performance cooling system installations. This aluminum hub features a 5/8-inch pilot bore and dual mounting hole configurations (3/8-inch and 5/16-inch), making it compatible with a wide range of fan blade and engine pulley setups. Black anodized finishing protects against corrosion and provides a professional appearance in engine bays.
The 5/8-inch center bore accommodates standard automotive water pump shafts, while the anodized aluminum construction delivers lightweight durability without sacrificing strength. Dual mounting hole sizes offer flexibility during installation, allowing builders to adapt the hub to existing fan shroud or radiator configurations. This precision-engineered component is critical for ensuring proper hub-to-blade alignment and vibration-free operation at engine speeds. The compact 5.3 x 0.65 x 6-inch footprint and lightweight 0.5 lb design minimize rotational inertia while maintaining structural integrity.
Street rod builders, vintage car restorers, and performance engine builders rely on RACE-FAN components for custom cooling system assembly. The modular mounting hole design accommodates aftermarket fan housings and adapters, making this hub essential for non-stock cooling layouts. Whether upgrading cooling capacity on a classic engine or standardizing fan hub components across a fleet, this adapter provides the mechanical reliability needed for consistent thermal management.
RACE-FAN specializes in precision fan hub assemblies and cooling system components for the automotive aftermarket. Sourcing the correct fan hub specifications—bore diameter, mounting configuration, and material composition—directly impacts cooling system efficiency and component longevity. The 5/8-inch pilot bore is a common standard in mid-displacement automotive applications, making this hub a versatile upgrade or replacement component for builders working across multiple platforms.
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