Product • Support • Tuning
928-706-6112 • www.TheEFIStore.com
Cart 0
Free Shipping On orders over $1,000
Expert Support Product. Support. Tuning.
Expert EFI Tuning Support TheEFIBrain 24 Hour Chat
Top Brands Holley, MSD, RacePak & More
Secure Checkout Safe & secure shopping

Home / Shop / Holley EFI Transmission Harness - T-56 Magnum

No image yet
Holley EFI

Holley EFI Transmission Harness - T-56 Magnum

Part # 558-480

$273.95

In Stock

T-56 Magnum Transmission Harness - Terminated for VSS, Reverse Lockout, and Reverse Lights.

Fits: Terminator X Max ECUs on V3 Build 100 or later - Holley EFI V6 Build 300 or later

Installation note: Requires: Terminator X Max ECU with V3 Build 100, or Holley EFI Dominator ECU on Holley EFI V6 Build 300, or later.

Specifications

Connector Quantity 4
Harness Application GM
Harness Type Transmission

Product Video

Expert Tech Support We know performance
Same Day Shipping Order by 2PM MST
Hassle Free Returns 30-Day Money Back Guarantee
Financing Available Buy Now, Pay Later