Corvette High Pressure Fuel Regulator, 1985-1991


KEY FEATURES & BENEFITS:

  • Add Over 10HP To Your Stock Engine
  • Improves Fuel Atomization & Provides Fine Tuning Capability
  • Replaces Factory Fuel Regulator Top (Requires Factory Regulator Modification)
  • Re-Uses Your Factory Diaphragm OR Aftermarket Upgrade  P/N 25-190592
  • Fits 1985, 1986, 1987, 1988, 1989, 1990, 1991 Tuned Port Injected (TPI) Engines

SPECIFICATIONS:

  • Quality Level - Best Quality, See Definition
  • What's In The Box: Fuel Pressure Regulator Top, Installation Instructions
  • Where It's Made: USA
  • Manufacturer Warranty: Lifetime
  • Product Weight: 2 lbs.
  • Product Dimensions: 3" x 3" x 3"
  • Approx. Installation Time: 2-3 Hours
  • Installation Difficulty: Difficult, Professional Installation Recommended
  • Instructions: Included
  • NOTES: Factory fuel pressure sets air/fuel ratio to rich.  This regulator allows you to adjust your fuel pressure for a leaner air / fuel ratio.  See your service shop manual for working with your fuel regulator.  Disconnect your battery and keep a U.L. approved fire extinguisher within reach before installation.  Fine tuning on a chassis dyno with a wide band 02 sensor is recommended but not required.  Do NOT lean out your air / fuel ratio when used with Nitrous, Superchargers, Or Turbochargers or severe engine damage will occur...these applications require a richer air/fuel ratio to prevent pre-ignition and detonation.


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