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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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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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The JASPER Alternative

Install a completely remanufactured JASPER gas engine in your vehicle and get the best of both worlds. JASPER remanufactured gas engines are built to meet or exceed OEM specifications, and have a 3 year/100,000 mile nationwide, transferable parts and labor warranty. Remember, this is a completely remanufactured engine with all new wear parts, tight tolerances and run-tested reliability. Go to our online catalog to get a price on a gas engine to fit your vehicle. Our optional Premium Service Plan provides allowances for such items as towing, car rental, fluids and premium labor should a problem arise. Click here for details and limitations.

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