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Peterson Fluid Systems Y‑manifold with a -16 AN b‑nut inlet and dual -12 AN outlets provides a tidy coolant hose split for high‑flow race plumbing. It allows use of a -16 or -20 female swivel nut at the radiator and feeds two -12 or -16 hoses to cylinder heads, a configuration noted for NASCAR competition use.
Peterson Fluid Systems Y-Manifold -16AN B-Nut To 12/12
