Selected Filters

Recommended Parts for HLY-550-1221

Holley Terminator X Engine Management Systems 550-1221

Not Yet Reviewed

Part Number: HLY-550-1221

Estimated Ship Date from Texas: Monday 10/26/2026

$2,049.95

Back to Part Detail

Recommended Parts

Filters

Results 1 - 1 of 1

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, 3-pin Delphi GT to 3-pin Delphi M/P 150 Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-467

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 10/26/2026 if shipped by air

This is a custom order part. You can order this part by Contacting Us.