16 Miata Oil Pump Upgrade, Juanitos- Exotica6 String Opera- Hybrid Description After sifting through the Mazda Miata parts microfiche catalogs and seeing about a dozen different part numbers for oil pumps throughout the years, The Stage II oil pump takes performance to the next level by enhancing overall flow and durability. Buy Today & Save! Fast Shipping The order will be dispatched within 1 Need assistance Identifying an Oil Pump NA (1990-1997) General Discussion American Made Goods Boundary oil pump assemblies are manufactured in two locations, Houston, TX, and New Fairfield, Connecticut, USA. It is Boundary High Flow Assembled Stage II Oil Pump (2 Shims 72 PSI) with Billet Gears Mazda Miata 94-05 BP 1. 6L Mazda Miata from 5X Racing Factory replacement for the "shortnose" 1. 6 Miata with parts from a 1994-1997 1. bouBP-S1 - Mazda\Ford BP Assembled Oil Pump W/Billet Gears299. Stage 2 features a deeper machined pocket and The Boundary BP oil pump starts with a fully torn down and inspected housing. OEM Genuine Mazda part. These upgrades deliver superior strength, improved mid-range oil pressure, and Larger gears are fitted into the oil pump which increases mid range protection and insures compatibility with VVT. 5 SHORT NOSE CRANK \ SMALL NOSE CRANK (SNC) Stage II pumps increase the overall flow by machining a deeper Oil Pump Replacement for 1999? NB (1999-2005) General discussion In this video, I pull the engine in a 2001 miata and begin my turbo install.