(530) 273-3195          

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.

 

The next step up is JASPER's "Stock Performance Engine." These engines utilize a more aggressive camshaft profile compared to the Class I engine. They also receive performance cylinder heads as an upgraded bolt-on part. With performance starting at 300 horsepower, and that fair idle lope street rod & muscle car guys love to hear, the stock performance engine is regarded as the most economical horsepower build.

Finally, the "Class II" engine is for the serious performance minded person who needs power for a specific application. These engines receive additional machining to castings such as align boring... Square decking and balancing of the rotating assembly.

Special components like performance valves, high performance fasteners, a double roller timing set and high tension valve springs are selected and matched to obtain maximum performance for your application.

JASPER Performance Transmissions

JASPER Performance Transmissions - JASPER offers two levels of performance transmissions. The Class I Performance transmission is for the individual who wants more performance than stock, but nothing too radical in shift pattern. The Class I transmission does not have a drastically altered shift but will provide firmer, more pronounced shifting.

The Class II Performance transmission is for the serious performance minded individual who wants a transmission that will meet his particular application. These transmissions are built with heavy-duty performance in mind. Special components and procedures are matched to obtain maximum performance for your engine application.

Proudly built in the U.S.A. and installed right here by our highly trained technicians.  Talk to us about the performance line of engines manufactured by Jasper Engines & Transmissions.




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Thank you for visiting Automotive City in Grass Valley, CA. Count on our automotive repair technicians to keep your car, truck, suv, or van on the roads longer and safer.

Schedule your appointment today call (530) 273-3195.

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Automotive City

13326 Brunswick RD
Grass Valley, CA 95945

location small (530) 273-3195

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Saturday: 8:00 AM - 12:00 PM (by appointment)

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