HOLLEY Wiring Harness - EFI Digital Dash I/O Adapter, by HOLLEY, Man. Part # 558-433 MSRP: Was: Now: $266.95 Add to Cart
HOLLEY Adapter Harness Wideband Terminator-X, by HOLLEY, Man. Part # 558-463 MSRP: Was: Now: $55.30 Add to Cart
HOLLEY Bench-Top EFI Test Harness, by HOLLEY, Man. Part # 558-127 MSRP: Was: Now: $189.95 Add to Cart
HOLLEY EFI Injector Harness - Universal Unterminated, by HOLLEY, Man. Part # 558-204 MSRP: Was: Now: $184.95 Add to Cart