Many orders ship free — you always see your exact shipping cost before you pay
Yittzy
Holley 1/4 EGT Probe - Open Tip 90-Degree 32.25in Length
Hover to zoom
Holley

1/4 EGT Probe - Open Tip 90-Degree 32.25in Length

In Stock
MPN: 554-178UPC: 090127058800
Only 6 left in stock - order soon!
$133.95$156.99SAVE 15%
Starting at $12/mowithaffirm
Manufacturer's Limited 90 Day Warranty
Fits:Universal Fit

EGT Probe - 90 Degree - Open Tip - 1/4 in Diameter Probe - 32-1/4 in Wire - Each

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

EGT Probe - 90 Degree
- Open Tip - 1/4 in Diameter Probe - 32-1/4 in Wire
- Each

Earn 133 Yittzy Rewards points with this purchase — 1 point per $1 spent. Join free

Installation Overview

Difficulty
🔧🔧🔧⚪⚪
Intermediate
Est. Time
2-6 hrs
Skill Level
Intermediate
Pro Install
Optional
Common Tools: Socket set, Screwdriver set, Torque wrench
Read our Performance Upgrades Guide→

Complete the BuildMore from Holley

GM LS3 Intake Manifold Dual-Plane 4150 Flange

Engine Intake Manifold

GM LS3 Intake Manifold Dual-Plane 4150 Flange

$430.95

Sniper EFI Throttle Body 92mm GM LS Engines

Fuel Injection Throttle Body

Sniper EFI Throttle Body 92mm GM LS Engines

$259.95

Accelerator Discharge Nozzle Screw - Solid

Carburetor Accelerator Pump Nozzle Screw

Accelerator Discharge Nozzle Screw - Solid

$24.77

SBC M/T Valve Cover Set - Black Krinkle

Engine Valve Cover Set

SBC M/T Valve Cover Set - Black Krinkle

$257.35

EFI Stealth Crossover Braided Fuel Line Lit

Hardware, Fasteners and Fittings

EFI Stealth Crossover Braided Fuel Line Lit

$339.95

BB Chevy Strip Dominator

Engine Intake Manifold

BB Chevy Strip Dominator

$403.95

Buying Guides

Jeep Performance Upgrades GuideJeep Exhaust System Buyer's Guide: Cat-Back, Axle-Back, and Headers
Compare Exhaust Gas Temperature (EGT) SensorBest Exhaust Gas Temperature (EGT) Sensor→

Related Articles

Jeep Build Guides: How to Choose Parts Without the Guesswork

Jeep Modifications · Jul 16, 2026

From Willys to JL: The Whole Jeep Story in One Place

Blogs · Jul 16, 2026

Every Jeep Needs a Name. Ours Will Help You Find It.

Blogs · Jul 16, 2026

You May Also Like