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Peterson Fluid Systems Y‑manifold with a -20 AN b‑nut inlet to dual -12 AN outlets offers a compact way to split coolant flow while retaining a swivel radiator connection. It supports the use of a -16 or -20 female swivel nut at the radiator and routes two -12 or -16 hoses to cylinder heads, a setup used in NASCAR competition where reliable hose transitions are critical.
Peterson Fluid Systems Y-Manifold -20AN B-Nut To 12/12
