Exterior Components Body Panels and Components

Holley

ADJUSTABLE BILLET BYPASS FUEL PRESSURE REGULATOR 3/8 NPT KIT W/ GUAGE & ADAPTER

$276.59

SKU: H00E 12-879KIT

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

Easy — 1–2 hours

Description

The Holley 12-879KIT is a carbureted by-pass regulator kit designed for street performance applications. This adjustable billet fuel pressure regulator features a return-style design and is constructed from 6061-T6 billet aluminum for durability. It is adjustable from 4-65 psi and includes an additional spring to accommodate EFI systems. The kit comes complete with a fuel pressure gauge and adapter fittings for installation.

Fitment

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Specifications

BrandHolley
Part NumberH00E 12-879KIT
Weight2.21 lb

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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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