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Peterson Fluid Systems Y‑manifold with a -16 AN b‑nut inlet and dual -16 AN outlets gives a direct, compact split for radiator-to-head plumbing. It permits use of a -16 or -20 female swivel nut at the radiator while feeding two -16 hoses to the cylinder heads, a configuration known to be used in NASCAR competition for dependable cooling line connections.
Peterson Fluid Systems Y-Manifold -16AN B- Nut To 16/16
