DIY Engine Conversion Kits: HEMI Power in Your Jeep JK
BIG NEWS WE NOW HAVE A EMISSIONS LEGAL HEMI SWAP FOR THE 2007-2011 JEEP JK, CARB LEGAL IN EVERY STATE
Massive horsepower and torque in a street-legal, emissions-compliant engine built with OEM Chrysler parts. You didn’t think it was possible, but you’re going to love your Jeep even more.
If you want Hemi power under the hood of your JK, our DIY conversion kits are your easiest and best solution.
Our shop has been perfecting the art of Hemi conversion kits for Jeeps since 2004. We’ve pioneered with innovations and smart features to bring you powerful, reliable, and easy-to-install conversion kits that fit any JK.
Get everything you need for a DIY engine swap and enjoy turning your JK into a Hemi-powered beast. We’re the only shop building Hemi kits that pass California emissions — so if you want to get on the road with a truck motor in your JK, this is your chance.
The only Hemi conversion kits that are Emissions compliant are the Truck Hemi kits, ( Jeeps 1997-2011) (except the 2006 Jeep TJ/LJ) Our kits are CARB Legal, we are going the extra mile to make our kit stand out and to be the best engine conversion shop.
DIY Jeep Hemi Swap Instructions
New DIY Guide: All the instructions and videos you need to
install your own CARB Legal V8 Hemi Engine
Why choose Hemi conversion kits from the Jeep Speed Shop?
Get your conversion kit from the shop that professionals turn to for ensuring emissions compliant V8 engine swaps. When you install a Jeep Speed Shop kit in your JK, you get a perfect fit and the best performance possible. All in an OEM equipment package and customized for your JK.
We build the best Hemi conversion kits, and you get the best value for your money.
- New, top-of-the-line parts — we use 100% NEW parts, including mostly OEM Chrysler parts
- Emissions compliant in all states — our kits meet the strict California emissions standards
- Custom programmed Hemi computer — specially designed just for the JK
- Production line engine and transmission — new from Chrysler
- Made in the USA parts — from the radiator that handles all weather to the engine-driven cooling fan built right in our shop
- OEM Performance and style — a custom wire harness for any Hemi engine swap, One thing to keep in mind when swamping out your 6 cylinder engine and keeping your Jeep all Mopar, you can now take your Jeep to the Jeep dealer for any Warranty work and recall work, if you change the make of the engine most Jeep dealers will not do any WARRANTY WORK OR RECALL WORK do to the Jeep being modified with a NON CHRYSLER ENGINE. Example. like if you need to replace the TPIM or the ABS module you will need the dealer to reflash the Jeep so you can get the new part to work, we have found many dealers not want to work on a NON JEEP OR CHRYSLER PART. Our Hemi conversions can be service at a Jeep dealer, this is why we are working on CARB APPROVAL FOR ALL OF OUR KITS.
Our Jeep JK Hemi Conversion Kits
Choose from all Gen III Hemi truck motors including manual and automatic transmission, VVT and non-VVT engines, with or without a supercharger.
Jeep Speed Shop sells DIY conversion kits for 5.7L, 6.1L, and 6.4Lthe following Hemi motors:
- NON VVT CAR STYLE 6.1L
- VVT CAR STYLE LX 6.4L
- VVT CAR STYLE LX 5.7L
- VVT TRUCK HEMI 5.7L
- NON VVT CAR STYLE LX 5.7L
- NON VVT TRUCK HEMI 5.7L
Shop for Conversion Kits
- Out of stock