Free shipping on all propane kits to the continental US.

*some kits may vary slightly from illustrations above.

Jeep 258/4.2L/Carter 2 Barrel Carb Propane Kit

*some kits may vary slightly from illustrations above.

Discover the ultimate solution to carbureted engine dilemmas with our state-of-the-art conversion kits, tailored specifically for your 258/4.2L Jeep engine. Our kits boast an effortless bolt-on installation and a straightforward tuning process that will revitalize your engine’s performance. Say goodbye to the stumbling and fuel issues that plague traditional carbureted systems. Prepare to be amazed by the seamless operation and enhanced power of your engine. Our customers consistently report noticeable power gains, a testament to the transformative potential of our kits.

SKU JEEP-258 Categories , , , , ,
Price: $40.00
Price: $95.00
Price: $12.50
12 feet of fuel line is included with this kit. If you would like more fuel line, please enter the amount of feet extra that you would like.

Usually ships within 3-7 business days. Delivery times differ based on location.


Introducing the ultimate fix for your Jeep 258/4.2L engine’s carbureted challenges! Our meticulously designed conversion kits offer a straightforward bolt-on installation and an effortless tuning process. Say farewell to the days of engine stumbles and fuel dilemmas. Engineered to outperform even fuel injection systems, our kits promise a revolution in how your Jeep handles, especially on steep inclines. Prepare for a delightful surprise in performance — not only will you retain all your engine’s power, but you’re also likely to experience noticeable gains, as reported by our satisfied customers.

Key Features:
  • Broad Vehicle Compatibility: Crafted to accommodate a wide variety of vehicles with carburetors. Our kit guarantees a versatile fit and optimal performance enhancement.
  • Simplified Installation: With easy-to-follow instructions, the conversion process is made accessible for both amateurs and seasoned professionals.
  • Eco-Friendly Fuel Alternative: Transitioning to propane significantly reduces your vehicle’s emissions, thanks to its cleaner combustion that emits fewer greenhouse gases compared to conventional fuels. This also means that your engine oil stays cleaner between changes keeping your engine running cooler and increasing the longevity of internal moving parts. No more smelling like Gas after going for a ride!
  • Cost Efficiency: The affordability of propane over gasoline or diesel, combined with the decreased maintenance demands of propane-fueled engines, delivers considerable long-term savings. No maintenance is required for this kit other than cleaning your air filter. And since propane doesn’t go bad like gasoline does, you can let your vehicle sit without worrying about rotting tanks and gummed-up engines.
  • Enhanced Performance: By adopting propane, you not only contribute to a healthier planet but also get increased performance benefits. Our propane conversion kits offer unmatched reliability, safety, and sustainability compared to running gasoline. No more flooded or starved carburetors, just consistent fuel delivery no matter if you are cruising on a country highway or rock crawling. Most of our kits will actually improve your overall performance and drivability.


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  • Regulator
  • Mixer
  • Fork Lift Tank Coupler
  • Bulkhead Assy with pressure relief device
  • Propane Liquid Line (12ft included)
  • Solenoid Assy w/ Built in Fuel Filter
  • Air Filter
  • Breather Filter
  • Heater Hose
  • 4 hose clamps
  • Vapor Hose
  • Adapter gasket and hardware
  • 2-Barrel Throttle Body

NOTE: Kits do not include propane tanks.

Measure the mounting plate as diagrammed here. From center to center, each length and width should measure 4" and 2 3/8" respectively.

Average time for install on this kit is 3-4 hours. Install times will vary based on mechanic skill level.

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