[M.D. Holloway]

Came across this, looked interesting...

Jasper Engines & Transmissions is proud to be an official U.S. distributor of the Prins product line. Prins Autogassystemen B.V. has been serving the automotive industry in the field of alternative fuels for more than 20 years. World wide they have created an excellent brand name in quality, reliability, customer support, innovation and product development.


From alternative fuel engines to fuel systems to a full line of parts that includes distributors, ignition systems, plug wires and conversion components, Jasper Engines & Transmissions has the answer for your alternative fuel needs.

JASPER offers a wide variety of gaseous prepped engines
Gaseous prepped engines can be operated on LP gas, CNG, methane and digester gas.

JASPER alternative fuels optimized engines & specialty parts catalog
JASPER Optimized Engines and Parts Information

Introducing our remanufactured 5.9L LPG/CNG Cummins engine
5.9L LPG/CNG Cummins Engine

4x4 Rock Crawler Propane Conversion Kits
Install a propane fuel system on your carbureted 4x4 vehicle. Operating your vehicle on propane will allow off-camber performance similar to fuel injection.