This OEM quality J1B connector lets builders source a single I/O connector for their EFI wiring harness instead of buying a complete connector kit. It's a straightforward, reliable option for DIY or custom harness work.
Specifications:
- Product Type: Connector
- Connector: J1B
- Pin Style: Male
- Color: Black
- Category: EFI - Fuel Injection, Electrical Connectors
- Part Number: 570-344
FAQ
What connector is this?
This is the J1B OEM-quality connector, part of Holley's J1A through J4 connector lineup.
Do I need a full connector kit to use this?
No, this lets you purchase just the single I/O connector you need instead of a complete kit.
What color is the connector?
It's black.

