For Acura Integra GSR B18C1 DC2 Upper Coolant Housing Water Neck 16AN Type R USA
For Acura Integra GSR B18C1 DC2 Upper Coolant Housing Water Neck 1.25 Inch USA
* Machined from 6061-T6,
* Engineered to flow 15% better than stock.
* straight through designed
* Fits hose 1.25" (silicone hose recommended)
* Hardware included
It Fits: ALL B18c1 engines