Ignitions and Electrical Ignition Components

STANDARD IGN

PRESS REG

$290.24

SKU: S092 PR78

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Standard Ignition PR78 fuel injection pressure regulator is designed to maintain consistent fuel pressure in gas fuel systems. Engineered for select Mazda models, including the 323, MX-3, and Protege, this regulator ensures optimal fuel delivery and engine performance.

It regulates fuel injection pressure at 42 psi for stable fuel flow and features an angled nipple orientation for precise fuel line connection. An o-ring is included for secure sealing and leak prevention.

Fitment

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Specifications

BrandSTANDARD IGN
Part NumberS092 PR78

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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