Login
Kooks O2 Extension Harness Shelby GT500 12
Kooks O2 Extension Harness Shelby GT500 12
Kooks O2 Extension Harness Shelby GT500 12
 Next

Kooks O2 Extension Harness Shelby GT500 12" Extension Harness (6-Pin)

Marsoni M251S
Sale price$26.22
Pay 4 payments of $6.55 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Kooks O2 Extension Harness Shelby GT500 12" Extension Harness (6-Pin)SKU: CAS 109203 UPC: 842422122706 Kooks CAS 109203 12 Inch 6 Pin O2 Sensor Extension Harness for 20072014 Ford Mustang Shelby GT500 The Kooks 12 inch 6 pin O2 sensor extension harness solves wiring reach issues when installing long tube headers on 20072014 Shelby GT500 models with the 5. 4L or 5. 8L supercharged V8, providing a plug and play solution that repositions the upstream oxygen sensors for accurate air fuel monitoring and ECU calibration
Easy Shipping

Quick Dispatch:

Your Kooks O2 Extension Harness Shelby GT500 12" Extension Harness (6-Pin) orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Kooks O2 Extension Harness Shelby GT500 12" Extension Harness (6-Pin) ships.

Need Help?
Questions about Kooks O2 Extension Harness Shelby GT500 12" Extension Harness (6-Pin), sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Kooks O2 Extension Harness Shelby GT500 12" Extension Harness (6-Pin) in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1072 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
Trey
Birmingham, US
★★★★★ 5
Great vest
Color: Dark Grey, Size: X-Large
This lil vest is awesome. A little thicker than I expected but perfect for my cool office. Looks like it cost twice as much. I had my company info put on it and looks like it cost 150.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
D
Verified Purchase
D.L. OHollaren, Jr.
Fort Morgan, US
★★★★★ 3
fit
Snug fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2025
S
Verified Purchase
Shopper scott
Lexington, US
★★★★★ 5
Ordering one of each color
Color: Dark Grey, Size: X-Large
Good quality for price. Probably the best item i have ever bottom off Amazon and this int a lie. I love this 1/4 zip vest. Works perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 1
To heavy
Color: Black, Size: X-Large
Vest is heavy and frankly very warm can’t see in what environment I’d wear it because at 40-50 I would use light down coat with sleeves I returned from t same day I reviewed it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
E
Verified Purchase
Eric dyerly
Birmingham, US
★★★★★ 5
Golf vest
Color: Black, Size: XX-Large
Very comfortable! Well made! Looks good and great price! Wish it had pockets but other than that great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026

recommand products

Phi Kappa Sigma - Quarter Zip Pullover
Phi Kappa Sigma - Quarter Zip Pullover
39.98
 Be Real, Not Perfect – Textured Encouragement Sticker
Be Real, Not Perfect – Textured Encouragement Sticker
36.00
 173rd Airborne Brigade Association - Nike Team Legend Long Sleeve Tee
173rd Airborne Brigade Association - Nike Team Legend Long Sleeve Tee
54.98
 Virginia State University - Nike Team Legend Long Sleeve Tee
Virginia State University - Nike Team Legend Long Sleeve Tee
54.98
 173rd Airborne Brigade Association - Bundle Unisex T-Shirt and Hooded Sweatshirt
173rd Airborne Brigade Association - Bundle Unisex T-Shirt and Hooded Sweatshirt
64.98