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Vehicle Info NeededHOLLEYPART NUMBER: 510-12-880KIT
Carb/EFI Adjustable Billet By-Pass Regulator-6AN Kit
$28595
4 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeCarb/EFI Adjustable Billet By-Pass Regulator-6AN KitColor: Black Fuel System: EFI/Carb Fuel Type: Gasoline Inlet Size: 6 AN O-Ring Material: Aluminum
The Carb/EFI Adjustable Billet By-Pass Regulator-6AN Kit from Holley is a fuel pressure regulator engineered and manufactured to Holley's specifications for consistent fit and function.
Holley 12-880KIT Features:
- Adjustable from 4-65 psi for precise fuel pressure adjustments.
- Constructed of billet aluminum with a black anodized base and a clear anodized top.
- Used in systems with a return line back to the tank.
- (1) 6AN O-ring Inlet; (1) 6AN O-ring Outlet; and (1) 6AN O-ring return.
- Includes fitting for manifold reference.
- Includes an 1/8 NPT gauge port.
Precision-Built Fuel Pressure Regulators For EFI and Carburetors
Holley Billet Fuel Pressure Regulators are available in a variety of configurations and engineered to provide smooth and stable fuel pressure delivery under any conditions from idle to full throttle. Each precision-machined, 6061-T6 billet aluminum regulator features an anodized body and top for corrosion resistance and durable performance.
Part TypeFuel Pressure Regulator
Product LineHolley Billet Fuel Pressure Regulators
BrandHOLLEY
Package Height5.5
Package Width6.4
Package Length7.0
Weight1.7 PG
Part CategoryPerformance Parts
Part FitmentUniversal
Vendor Part Number12-880KIT
Package Qty1
Package TypeEA
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