Secondary O2 Sensor Harness 72" (for Holley)

Secondary O2 Sensor Harness Compatible with Holley Dominator (72") Product Details Compatible with Holley EFI Dominator ECU Includes: 72" adapter harness Sealed, crimped, and assembled in Wichita, Kansas using USA made OEM grade TXL wire, OEM connectors, locks, seals, and terminals for proper fit and a positive, audible click when connected Compatible With Compatible with NTK (Holley 554-100) and Bosch LSU4 (Holley 554-101) wideband oxygen sensors, similar to Holley 558-401 J2A Harness for adding second bank O2 sensor Helpful Links Holley NTK Wideband O2 Sensor HLY-554-100 Holley Bosch LSU4 Wideband O2 Sensor HLY-554-101 Need a custom length? We can build most wiring to your required length within 48 hours. Custom lengths are typically around 2× the listed price. Contact us for pricing.