Description
K Series Upper Coolant Housing with Integrated Filler Neck for K20A, K20A2, K20A3, K20Z1, K24A1
This K Series upper coolant housing features an integrated filler neck designed for use with K20A, K20A2, K20A3, K20Z1, and K24A1 cylinder heads. The housing is engineered to provide additional clearance for larger turbocharger configurations and allows for the relocation of the radiator cap to a higher point on the engine. The filler neck is compatible with standard 1.25″ hose as well as 12AN and 16AN sizes, and is designed for use with an OEM 92-00 Honda Civic radiator cap.
Key Features
- Integrated filler neck for K Series upper coolant housing
- Compatible with K20A, K20A2, K20A3, K20Z1, and K24A1 cylinder heads
- Designed to fit PRB intake manifold and throttle bodies with cruise control
- Provides additional clearance for large turbocharger setups
- Filler neck positioned at the highest point of the cooling system
- Available for standard 1.25″ hose, 12AN, and 16AN sizes
- Designed for use with OEM 92-00 Honda Civic radiator cap
What’s Included
- K Series upper coolant housing with integrated filler neck
Vehicle Fitment
K20A, K20A2, K20A3, K20Z1, and K24A1 cylinder heads. Designed to fit PRB intake manifold and throttle bodies with cruise control.
Installation Notes
- Not specified by manufacturer
Explore more from our collection.






Reviews
There are no reviews yet.