Home / Shop / Holley Replacement Fuel Injector Wiring Harnesses 558-210 Injection System Harnesses, EFI, Replacement, Gen III Hemi, Harness, Stock/USCAR Injectors, for HP, Dominator EFI, Each

Holley Replacement Fuel Injector Wiring Harnesses 558-210 Injection System Harnesses, EFI, Replacement, Gen III Hemi, Harness, Stock/USCAR Injectors, for HP, Dominator EFI, Each

SKU: HLY558-210

Fuel Injection System Wiring Harnesses

Holley

Holley Replacement Fuel Injector Wiring Harnesses 558-210 Injection System Harnesses, EFI, Replacement, Gen III Hemi, Harness, Stock/USCAR Injectors, for HP, Dominator EFI, Each

SKU: HLY558-210

Fuel Injection System Wiring Harnesses

LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap!

Part Type

Injector Harness V8 Evenly Spaced USCAR

Data: v4.2 - Upd: 2026-10-13 18:46:52

Specifications

Product Attributes - Brand: Holley
Product Attributes - Manufacturer's Part Number: 558-210
Product Attributes - Part Type: Fuel Injection System Wiring Harnesses
Product Attributes - Product Line: Holley Replacement Fuel Injector Wiring Harnesses
Product Attributes - UPC: 090127688045
Product Attributes - Fuel Injection Style: Multi-port
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: For use with stock/USCAR (EV6)-style injectors.

Reference Information

Brand Name/s	Holley
StreetFX SKU	hly558-210
SFX Item ID	4784295
Supplier Item Code	4784295
Manufacturer SKU	558-210
Manufacturer UPC	90127688045
Alternative References	HOL558-210

Compatibility

Application Data

Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make CHRYSLER
Engine Type V8
Engine Size 5.7L/345
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make CHRYSLER
Engine Type V8
Engine Size 5.7L/345
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make CHRYSLER
Engine Type V8
Engine Size 6.1L/370
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make CHRYSLER
Engine Type V8
Engine Size 6.1L/370
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make CHRYSLER
Engine Type V8
Engine Size 6.4L/392
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make CHRYSLER
Engine Type V8
Engine Size 6.4L/392
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make DODGE
Engine Type V8
Engine Size 5.7L/345
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make DODGE
Engine Type V8
Engine Size 5.7L/345
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make DODGE
Engine Type V8
Engine Size 6.1L/370
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make DODGE
Engine Type V8
Engine Size 6.1L/370
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make DODGE
Engine Type V8
Engine Size 6.4L/392
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make DODGE
Engine Type V8
Engine Size 6.4L/392
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make JEEP
Engine Type V8
Engine Size 5.7L/345
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make JEEP
Engine Type V8
Engine Size 5.7L/345
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make JEEP
Engine Type V8
Engine Size 6.1L/370
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make JEEP
Engine Type V8
Engine Size 6.1L/370
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make JEEP
Engine Type V8
Engine Size 6.4L/392
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley Dominator EFI systems.
Stock EFI System No
EFI System Manufacturer Holley
Universal No
Make JEEP
Engine Type V8
Engine Size 6.4L/392
Engine Family Mopar Hemi Gen III
Application Notes For use with Holley HP EFI systems.

Loading compatibility information...

Keep shopping

Holley Replacement Fuel Injector Wiring Harnesses 558-210 Injection System Harnesses, EFI, Replacement, Gen III Hemi, Harness, Stock/USCAR Injectors, for HP, Dominator EFI, Each

Holley Replacement Fuel Injector Wiring Harnesses 558-210 Injection System Harnesses, EFI, Replacement, Gen III Hemi, Harness, Stock/USCAR Injectors, for HP, Dominator EFI, Each

Description

Part Type

Specifications

Reference Information

Compatibility

More from Holley

Holley 4150 Aluminum Street HP Carburetors 0-82751SA Carburetors, HP, 750 cfm, 4-barrel, Square Bore, Mechanical Secondaries, Dual Inlet, Polished Finish, Down-leg Booster, Each

Holley Aluminum LS Valve Covers 241-177 Covers, LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Holley LS Modular Lo-Ram EFI Intake Manifolds 300-600BK Manifolds, Modular, EFI, Base Only, Multi-port, -8 AN, O-ring Female, Fuel Rails, Runners, Aluminum, Black, Chevy, 4.8-6.0L, Each

Holley Easy Level Fuel Senders 19-250-1 HOLLEY EASY LEVEL SENDER

Holley RetroBright LED Headlights LFRB155 Headlight Conversion, RetroBright, Style, Sealed Beam, 7 in. Round Housing, Modern White, High and Low Beam, 5,700K, Bulb Included, Each

Holley EFI Hi-Ram Intake Manifolds 300-950 Manifolds, Hi-Ram, Throttle Body, 105mm Bore, Standard Deck, Aluminum, Natural, Chevrolet, Small Block, Each