“HNK-3” – Heater Hose Nipple Kit –

Small block LA engine heater hose nipples for 1964-1969 vehicles using 5/8″ heater hose and 3/4″ by-pass hose.  Patterned after original pieces and zinc plated to prevent corrosion.  Long nipple should be installed in water pump and short nipple in intake manifold.  One 4-piece kit required per vehicle


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