Adapter & Extension Harnesses
Make quick work of installing your Holley engine harness by using our sensor adapter and extension harnesses. These harnesses make Holley's universal main harnesses application specific.
Adapter & Extension Harnesses
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Male to Male Four Wire CAN Bus Adapter Harness for Holley EFI Systems -
Oil and Fuel Pressure Sensor Extension Harness 24 inches -
Coolant Temperature Sensor Extension Harness 18 inches for GM TPI LT1 LS-Series -
Idle Air Control Valve IAC - 85-92 TPI and 92-93 LT1 to Holley 558-102 Main Harness -
MAP Adapter Harness - 92-97 LT1 to Holley 558-102 Main Harness -
Knock KS Adapter Harness - SBC LT1 to Holley 558-102 Main Harness -
CMP Adapter Harness - Gen IV LS-Series to Holley 558-102 Main Harness -
CKP Adapter Harness - 96-97 LT1 CKP to Holley 558-102 Main Harness -
TPS Adapter Harness - 92-97 LT1 TPS to Holley 558-102 Main Harness
Some filters could not be applied and were reset.
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Male to Male Four Wire CAN Bus Adapter Harness for Holley EFI Systems $25.00 -
Oil and Fuel Pressure Sensor Extension Harness 24 inches $25.00 -
Coolant Temperature Sensor Extension Harness 18 inches for GM TPI LT1 LS-Series $20.00 -
Idle Air Control Valve IAC - 85-92 TPI and 92-93 LT1 to Holley 558-102 Main Harness $35.00 -
MAP Adapter Harness - 92-97 LT1 to Holley 558-102 Main Harness $25.00 -
Knock KS Adapter Harness - SBC LT1 to Holley 558-102 Main Harness $25.00 -
CMP Adapter Harness - Gen IV LS-Series to Holley 558-102 Main Harness $25.00 -
CKP Adapter Harness - 96-97 LT1 CKP to Holley 558-102 Main Harness $25.00 -
TPS Adapter Harness - 92-97 LT1 TPS to Holley 558-102 Main Harness $25.00
