This is the best designed AFPR on the market today for your 99-05 SpecMiata. This system is far superior to most of the others on the market because it is designed to work the same way Mazda designed the factory unit.

Factory fuel pressure regulator made to be adjustable from 22psi up to 58psi for your 1.6L 90-93 Miata per the new SpecMiata Rules. SInce it is a modified factory regulator assembly is simple and requires no additional plumbing or parts.

A quick disconnect Fuel Pressure Gauge to work the MiataCage Fuel Sample Test Port Kit.

This is the best Fuel Sample Test Port Kit on the market. No cheap air conditioning parts here. Custom built with all Aeroquip Fuel rated components for safe and fast fuel removal.

Cleaning and Balancing of your Miata fuel injectors from the best in the business! This is imperative to get the most out of your SM engine.