For Acura Integra GSR B Series DC2 Upper Coolant Housing Water Neck 1.25 Inch 16 AN
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For Acura Integra GSR B18C1 DC2 Upper Coolant Housing Water Neck 1.25 Inch
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