The ONLY Emissions-Compliant Carb Legal Hemi Conversion in the U.S.A.

Jeep JK Upgrades

Jeep Speed Shop offers top-of-the-line products to complete a Hemi V8 swap and(or) 8-speed Transmission Swap on your 07-18 Jeep JK from home. Select your upgrade below.

CARB Legal V8 Hemi Swap

8-Speed Transmission Swap


We have locations in the United States, and Australia. Get in touch with one of our authorized shops below!

Jeep Speed Shop

7911 Redwood Dr #141
Cotati CA 94931
(707) 338-3154

Jeep Speed Shop Australia

3 Hugh St
5C8C+2M Alstonville, NSW, Australia
+61 412 811 307

Check out these Normal people doing the Carb Legal HEMI engine conversion in their Jeep JK. The HEMI swap community is strong, and we are glad to help support it.

Customer Reviews

Jeep Speed Shop has had the great pleasure of working with clients from around the world – here are a few snippets of what they have to say.

Michael Egli
2 years ago Absolutely amazing. If you look back at older reviews you'll see they went through a slump. Some bad staff left a few customers unhappy, but all of that has changed after management went through the business and wiped the slate clean. Now, they are once again the best engine swap experts for Jeeps HANDS DOWN. In my case...
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Benjamin J
Positive: Professionalism, Quality, Value Hats off to Todd what a fantastic job he did on my 07 Jeep JKU! I went with the 5.7 VVT Hemi truck engine with 8 speed transmission and it was one of the best decisions I ever made. I just got my rig back last week the sound of the V8, the smoothness of the 8 speed with manual sifter and all the powers I'm gained makes my Jeep become one of the bests around. It's also 100% Carb legal, which is a big deal for me since I'm from Cali...
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Laura Hodgson
Positive: Professionalism Excellent service and communication - highly recommended if you want to put a Hemi V8 in your Wrangler. Todd and his crew were able to fix issues from another shop that did my original Hemi conversion which failed emission testing in CO. For over a year the original shop was not able to get my Jeep to pass emissions...
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