Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Holley Electrical Wiring
Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, AMP 064 Series, 22 gauge wire, 100-piece, Set
Part Number: HLY-571-127
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Female Terminal Pins, Male, Mizu-P25, 100-piece, Set
Part Number: HLY-571-115
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi, CTS Connector, Main Harness, Molex 2-pin, Female, Black Plastic, includes Pins, Seals, TPA, Each
Part Number: HLY-570-228
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
SERVICE HARNESS, STANDALONE PRO DASH
Part Number: HLY-558-457
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Ignition, Sub-Harness Connectors, Metripack, 10-pin, Male, Black Plastic, with Pins, Seals, TPA, 10-piece, Set
Part Number: HLY-570-304
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Weatherproof Connectors, Holley EFI, LS 24X Crank, MAP Sensor Connectors, Metripack, 3-pin, Female, Gray, with Pins, Seals, TPA, 10-piece, Chevy, Set
Part Number: HLY-570-317
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, Blue, Molex MX 150, 16-20 gauge wire, 100-piece, Set
Part Number: HLY-571-117
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Wire Connectors, RetroBright, Replacement, Unterminated Connector, Male, 3-pin, Plastic, Black, for H4 or 9003 System, Pins Not Included, Each
Part Number: HLY-RBEC120
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Computer Software, Holley EFI, Terminator X, Active Speed Management, Web Download, Drag Race Traction Control, for Terminator X, V3 or Later, Each
Part Number: HLY-555-101
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi CTS Connector, Main Harness, APEX 2.8, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-235
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Weatherproof Connectors, Holley EFI, Hemi Cam Sensor Connector, Main Harness, Single-Pack, 3-pin, Female, Gray Plastic, with Pins, Seals, TPA, Each
Part Number: HLY-570-232
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
