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The HKS 4mm Hose Set consists of 4mm-diameter hoses intended for vacuum, sensor, or small-bore routing tasks within HKS-compatible installations. These hoses are useful for linking sensors, actuators, or vacuum ports during tuning, maintenance, or accessory installation. A practical supply for technicians who need correctly sized hoses for signal and vacuum lines in managed engine setups.
HKS 4mm Hose Set
