1971 Jaguar XJ Engine Additives

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1971 Jaguar XJ in Top Shape with a Quality Engine Additive

When it comes to maintaining or upgrading your 1971 Jaguar XJ, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Additive for your XJ. We currently carry a top Engine Additive in stock that is built to last. Whether you’re replacing a damaged Engine Additive or looking to upgrade, our selection for the 1971 Jaguar XJ ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Coolant/Antifreeze and Fluids to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1971 Jaguar XJ running smoothly and looking great.

Most Popular Posi Units and Component for 1971 Jaguar XJs

Enhance your 1971 Jaguar XJ with this popular Posi Units and Component we have in stock, for $658.99.

Powertrax – Grip LOK Traction System (Part No.LK444430)

Grip LOK Traction System

from

$658.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
See More

FAQs for 1971 Jaguar XJ Engine Additives

What’s the price range for 1971 Jaguar XJ Engine Additives?

We currently have just one Engine Additives for the 1971 Jaguar XJ in stock: Grip LOK Traction System and it costs $658.99.

Does Advance Auto Parts sell Engine Additives for other Jaguar XJ model years?

Yes, we carry Engine Additives for 2 model years of Jaguar XJs between 1968 and 1970. The following model years are the most popular for Engine Additive purchases: 1969, 1968, and 1970.

What types of Engine Additives do you sell for my 1971 Jaguar XJ?

We currently have just 1 Engine Additive in stock for a 1971 Jaguar XJ, and as of 6/2/26, it is a Posi Units and Component.

Can I get help with 1971 Jaguar XJ Engine Additive orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Jaguar Engine Additives and more.

What is your return policy for Jaguar XJ Engine Additives?

Advance Auto Parts keeps returns simple. For new Jaguar XJ Engine Additives and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.