Welcome to JR⁴ Motorsports.

If you have any questions, or want to suggest some products, use the "Contact Us" link in the Information box on this page.

SALE !! Sale on 347 and 331 rotating kits.

JR4 Motorsports is expanding it's line to include Engine Kits for the Small Block Ford. We are putting together rotating assemblies from names such as Probe, Scat, Mahle, Ross to bring you the finest stroker combinations, at an affordable price.
Currently we have a Probe 347 Stroker combo for the Small Block Ford, and we are working on putting together a full line of stroker combinations in the coming months.
If you want a combination that we don't have, just use the "Contact us" link to send us a request, and we will get back to you as soon as possible.
Be sure to register and sign up for the news letter for more produce updates.

If you need something, and you don't see it in the store, just use the contact us link, and we will see if we have it. We are still in the process of adding items to the website.

New Products For September

Ford 347 Cast Stroker Rotating Assembly (Stock Style Heads)
$949.99

Ford 408 Cast Stroker Rotating Assembly (Stock Style Heads)
$1,259.99

Ford 331 Cast Stroker Rotating Assembly (Stock Style Heads)
$949.99

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Welcome to JR4 Motorsports.

SALE !! Sale on 347 and 331 rotating kits.

Welcome to JR⁴ Motorsports.