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The Boundary oil pump assembly for 1991.5–2005 Ford/Mazda BP inline-4 engines is supplied with two shims calibrated for a 72 PSI setting and is offered without a crank seal. Specified for BP-family applications, this assembly is intended for use during engine rebuilds or pump replacement when that shimmed pressure configuration is required on compatible 1991.5–2005 vehicles.
Boundary 91.5-05 Ford/Mazda BP (All Types) I4 Oil Pump Assembly (2 Shims - 72 PSI / w/o Crank Seal)
