If you choose this setup you will need our K-Tuned recirculation fitting to allow coolant flow when the T-stat is closed. Notes: 3/8 NPT (Older Style). K-Tuned Thermostat Housing V1 and V2 designs. Category: Tstat Housing.
Swivel Neck Thermostat Housing For K Series K20 K24 Radiator Hose K-Swap Civic
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Swivel Neck Thermostat Housing V2 for K-Series K20 K24 radiator hose k swap
K-TUNED KST-CF-101 Swivel Neck Recirculation Fitting 3/8 NPT for Honda K20 K24
Aluminum Radiator Hose Swivel Neck Thermostat Housing for Honda K-Series K20 K24