Genuine OEM (original equipment manufacturer) Connectors Holley EFI (MAP) Manifold Air Pressure Harness Adapters . Holley part #558-466 adapts harnesses with a (MPFI) Weatherpack 3-pin connector to the 3-pin Delphi GT connector; commonly found on aftermarket stainless steel MAP sensors; such as the Holley 5-BAR MAP sensor PN 554-108.
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