HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR556 Fuel Injection Pressure Regulator
Part #: PR556

Standard Ignition PR556 Fuel Injection Pressure Regulator

14 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Pontiac, Camaro, Firebird, Caprice, and Impala
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Overview of Standard Ignition Fuel Injection Pressure Regulator PR556

The Standard Ignition PR556 fuel injection pressure regulator is designed for precise fuel pressure control in select Chevrolet and Pontiac vehicles. This adjustable, steel regulator ensures consistent fuel delivery for models like the Camaro, Caprice, Firebird, and Impala.

  • Adjustable fuel pressure regulator for fine-tuning
  • Constructed from durable steel with a silver finish
  • Direct mounting type with one inlet and one outlet port
  • Includes a reference port and caution sheet for safe installation
  • Compatible with gasoline fuel systems
  • New, not remanufactured, ensuring reliable performance

Detailed Product Description

The Standard Ignition PR556 is a return-type fuel injection pressure regulator engineered to maintain optimal fuel pressure in the fuel injection system. Its steel construction and silver finish provide durability and corrosion resistance, suitable for the demanding environments of Chevrolet Camaro, Caprice, Pontiac Firebird, and Impala models. Featuring one inlet and one outlet port along with a reference port, this regulator allows for precise pressure adjustments to match specific engine requirements. The direct mounting design simplifies installation and ensures a secure fit. This part is designed exclusively for gasoline fuel systems and includes a caution sheet to guide proper handling and installation.

Applications and Problem Solving

  • Maintains consistent fuel pressure to improve engine performance
  • Prevents fuel pressure fluctuations that can cause rough idling or stalling
  • Helps resolve issues related to poor fuel economy due to incorrect fuel pressure
  • Reduces risk of fuel leaks with secure direct mounting
  • Supports proper fuel return flow to avoid fuel system damage

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Camaro, Caprice, Pontiac Firebird, and Impala models before installation
  • Follow the included caution sheet carefully to avoid damage during installation
  • Check fuel lines and connections for leaks after installation
  • Adjust the regulator pressure as needed to meet vehicle specifications
  • Use appropriate tools to avoid damaging the steel regulator or mounting points

Quality Assurance and Warranty

The Standard Ignition PR556 fuel injection pressure regulator is a new, high-quality replacement part manufactured to meet or exceed OEM standards. Constructed from steel with a corrosion-resistant finish, it is built for durability and reliable operation. While specific warranty details may vary, Standard Ignition parts typically come with a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.

BrandStandard Ignition
Part NumberPR556
AdjustableYes
Automotive Performance ItemNo
ContentsIncludes Caution Sheet
Fuel TypeGas
FunctionsRegulator
MaterialSteel
Mounting TypeDirect
New or RemanNew
Number of outlets1
Part FinishSilver
Reference Port IncludedYes
Regulator FinishSilver
Regulator MaterialSteel
TypeReturn

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997ChevroletCamaro5.7LV8N/AAdjustable
1997PontiacFirebird5.7LV8N/AAdjustable
1996ChevroletCamaro5.7LV8N/AAdjustable
1996ChevroletCaprice5.7LV8N/AAdjustable
1996ChevroletImpala5.7LV8N/AAdjustable
1996PontiacFirebird5.7LV8N/AAdjustable
1995ChevroletCamaro5.7LV8N/AAdjustable
1995ChevroletCaprice5.7LV8N/AAdjustable
1995ChevroletImpala5.7LV8N/AAdjustable
1995PontiacFirebird5.7LV8N/AAdjustable
1994ChevroletCamaro5.7LV8N/AAdjustable
1994ChevroletCaprice5.7LV8N/AAdjustable
1994ChevroletImpala5.7LV8N/AAdjustable
1994PontiacFirebird5.7LV8N/AAdjustable

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

170919472-1972123065800-2535NPRDL2535N

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.