Regulator Rebuild Kit for 12-848 Billet Regulator. Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new. Includes diaphragm assembly, pressure spring and rebuild instructions.

Fuel Pressure regulator rebuild kit for Holley 12-848 regulator
Includes diaphragm and spring

Charts

Installation Instructions (PDF)

Rebates

Holley IRS Sale 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley I.R.S.Tax Sale. Instant rebate period runs from February 17, 2026 through March 29, 2026.

Guides & Documents

Fuel Pressure Regulators Installation Instructions (42512827)

CA Prop 65

Holley 12-827 Specifications

KEY SPECS
MFG. Part #	12-827
Brand	Holley

GENERAL
GTIN Code	090127681800

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