Wiring Harness Adapters and Extensions

Harness Adaptors, Holley EFI, LS3 MAP Sensor Adapter, Plug-and-Play, Pre-Terminated, Adapts to LS1/LS2 Engine, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-558-416

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

HID Adapters: Euro: H7 (Pair)

Part Number: MRI-A90

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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HID Adapter: BMW E39: H7

Part Number: MRI-A100

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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HID Adapter: Mazda V2: H7

Part Number: MRI-A110

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Special Order