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Peterson Fluid Systems Y‑manifold with a -20 AN b‑nut inlet to two -16 AN outlets provides a compact way to split coolant flow while retaining a swivel connection at the radiator. It allows use of a -16 or -20 female swivel nut at the radiator and routes two -16 hoses to the cylinder heads, a layout referenced for NASCAR competition plumbing.
Peterson Fluid Systems Y-Manifold -20AN B- Nut To 16/16
