(559) 485-0456          

Want Maximum Performance?

PERFORMANCE ENGINES & TRANSMISSIONS  JASPER Engines has four levels of engine performance for your project vehicle.   "Stock" is the general production engine offered in a production vehicle. 

Stock engines receive JASPER's tried and true methods of remanufacturing, including torque plate honing, three-angle valve seat machining Precision crankshaft machining, oil chamfering and polishing and computer-assisted live-run testing.

The "Class I" engine is the same JASPER general production engine, but with a mild camshaft upgrade. Class I engines generally produce about 10% more horsepower and torque over the standard stock engine.

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Oil, Lube, Filter Service

Check the owner's manual to see if your driving habits are considered to be "severe service". This type of driving requires more frequent oil changes, warns the Car Care Council. Have the oil changed accordingly, usually every 3-5,000 miles.

For less wear and tear on the engine, drivers in cold climates (sub-zero driving temperatures) should drop their oil weight from 10-W30 to 5-W30. Your mom and dad would probably suggest simply moving to someplace warmer.

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Check With Us First

DIFFERENTIALS & REAR AXLE ASSEMBLIES  JASPER remanufactures a complete line of Rear Axle Assemblies and Differentials including Dana, Chrysler, Spicer, Ford, and GM. Most popular chassis applications are available for immediate exchange. Toyota and other manufacturer's differentials are available with one day in-plant custom remanufacturing.

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Pro Auto

2345 Stanislaus Street
Fresno, CA 93721

location small (559) 485-0456
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