• 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit
  • 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit

Product Details

Web ID: 216944
Dual Control 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit Boost Solenoid Find many great new & used options and get the best deals for Holley EFI 557-201 High Flow Dual Solenoid Boost Control Kit at the best online prices at... Proprietary design to flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids Holley EFI 557-201 Holley EFI High Flow Dual Solenoid Boost Control Kit Holley HP EFI Universal Retrofit Engine Management Systems 550-500 Reviews Summi Two pre-terminated connectors simply plug into the solenoids and extra pins into Holley EFI ECU connectors Donn brand SDX/SDXL424 4 feet Fire rated suspension system cross tees have a flat, white, durable finish and are made of hot-dipped galvanized steel. They have a patented quick-release cross-tee clip for convenience of installation