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Engine Applications: K20A, K20A2, K20A3, K20Z1, K24A1 cylinder heads.
: Does not fit with oem PRB manifold and throttle body's with cruise control.
2020 UPDATE: Now includes both -16AN and 1.25" hose fittings.
Here is the K-Tuned Upper Coolant Housing with filler. Designed to fit K20A/A2/A3/Z1 and K24A1 PPA series cylinder heads. This housing will provide several unique advantages over the stock units.
The Filler Neck is used to relocate the radiator cap to a higher point on the engine itself. The new location is the highest point of the cooling system and allows air pockets to easily escape during the coolant bleeding process. The filler neck supports the use of an OEM 92-00 Honda Civic radiator cap or similar style K-Tuned cap. This part will be very helpful on an engine that already has a bad reputation for coolant bleeding.