FREE Shipping on Most $75+ Orders

EFI Benchtop Test Harness For Firmware Updating Dash Configuration And ECU Testi

Yittzy
Holley EFI Benchtop Test Harness For Firmware Updating Dash Configuration And ECU Testi
Hover to zoom
Holley

EFI Benchtop Test Harness For Firmware Updating Dash Configuration And ECU Testi

MPN: 558-127UPC: 090127136768
In Stock
Almost gone! Only 1 remaining
$220.73$246.43SAVE 10%
Starting at $19/mowithaffirm
Manufacturer's Limited 90 Day Warranty
Fits:Universal Fit

EFI Benchtop Test Harness For Firmware Updating Dash Configuration And ECU Testi

1

Secure Checkout

SSL Encrypted

Easy Returns

30-day policy

Guaranteed Fitment

Or your money back

Pay Over Time

With Affirm

Usually ships in 1-3 business days

EFI BENCHTOP TEST HARNESS FOR FIRMWARE UPDATING DASH CONFIGURATION AND ECU TESTI

Earn 220 Yittzy Rewards points with this purchase — 1 point per $1 spent. Join free

Compare Switch Panel and Wiring Harness Options

See how this product compares at different price points

Budget Pick
Ultra-Quick Mushroom Button Micro Switch

Biondo Racing Products

Ultra-Quick Mushroom Button Micro Switch

$65.99

Best Value
Current
EFI Benchtop Test Harness For Firmware Updating Dash Configuration And ECU Testi

Holley

EFI Benchtop Test Harness For Firmware Updating Dash Configuration And ECU Testi

$220.73

Premium Pick
Oracle Lighting TRIGGER 6 SHOOTER Wireless Accessory Control System

Oracle Lighting

Oracle Lighting TRIGGER 6 SHOOTER Wireless Accessory Control System

$479.95

Complete the BuildMore from Holley

Stud - Throttle Lever Linkage - Chrysler

Throttle Emission Control Solenoid

Stud - Throttle Lever Linkage - Chrysler

$41.07

GM LS3 Intake Manifold Dual-Plane 4150 Flange

Engine Intake Manifold

GM LS3 Intake Manifold Dual-Plane 4150 Flange

$413.95

Sniper EFI Throttle Body 92mm GM LS Engines

Fuel Injection Throttle Body

Sniper EFI Throttle Body 92mm GM LS Engines

$224.95

EFI Stealth Crossover Braided Fuel Line Lit

Hardware, Fasteners and Fittings

EFI Stealth Crossover Braided Fuel Line Lit

$309.58

BB Chevy Strip Dominator

Engine Intake Manifold

BB Chevy Strip Dominator

$388.56

Retrobright LED Bulbs Turn Signal 1156 Modern White

Exterior Accessories

Retrobright LED Bulbs Turn Signal 1156 Modern White

$30.85

Compare Switch Panel and Wiring HarnessBest Switch Panel and Wiring Harness →

Related Articles

9.5 x 1.5" Fender Chops for 2018+ Jeep JL: Complete Guide

Jeep Modifications · Jun 4, 2026

Top 5 Epic Jeep Events This June 2026

Jeep Culture · Jun 4, 2026

9.5" x 1.5" Fender Chops for 2018+ Jeep JL: Complete Guide

Jeep Modifications · Jun 2, 2026

You May Also Like