Holley EFI 558-211 Fuel Injection Harness
Holley EFI 558-211 Fuel Injection Harness
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Holley EFI 558-211 Fuel Injection Harness

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Key item features

  • Engine Control: Enables comprehensive fuel and spark control for Gen III HEMI engines, suitable for power upgrades and engine swaps.
  • Power Adder Compatibility: Supports tuning with power adders like nitrous, superchargers, or turbos, and is compatible with methanol and water injection systems.
  • Specific Design: Engineered specifically for the Gen III HEMI engine platform, ensuring precise fit and function.
  • Premium Wiring: Features TXL grade copper wiring with minimal weight, high-temperature sleeving, and a small diameter for optimal performance.
  • Secure Connections: Utilizes factory-style terminations and OEM-grade connectors for strong, secure, and positive fits.
  • Protective Routing: Each harness is routed through a split-loom braid, providing protection and a clean aesthetic.
  • Injector Versatility: Available with Bosch/Jetronic and Holley injector connectors, commonly used in aftermarket applications for larger injectors with HP EFI & Dominator EFI systems.
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Current price is $199.95
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  • Free Holiday returns until Jan 31

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Extended holiday returns
Free Holiday returns until Jan 31