(530) 273-3195          

JASPER Performance Engines

If you are looking to improve the performance of your vehicle, look no further.  JASPER  Performance engines are the choice that some of your favorite NASCAR drivers drivers have under the hood.  Our engines will offer you the performance and dependability you are looking for! Engines that are ideal for street-rods, Corvettes, Camaros and other performance vehicles. You'll be amazed at what you can get for your money with a JASPER performance engine installed right here in our shop and backed by a warranty that is nationwide!

Download the brochure and discover the true definition of performance! Click Here

Class 1 Engines for mild camshaft profiles and 10% more horsepower and torque than a stock engine.

Stock Performance Aggressive camshaft profile in comparison to Class 1 Engine with upgraded aftermarket cylinder heads.

Class II Engines Serious horsepower for specific applications with additional machining of castings and performance valves.  Matched high-tension valve springs and high performance fasteners.

Our JASPER Performance engines offer a wide range of proven products and performance levels to meet your individual needs!

Match it with a Performance Transmission!

More performance than stock without radical shifting!  Heavy-duty lined clutch plates and intermediate sprag plus front band.  Competition shift kit and high-stall speed torque!

All backed with the 3 Year  | 100,000 Mile Nationwide Parts & Labor JASPER Warranty installed by our shop and technicians you know and trust! 





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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

SHOP HOURS

Weekdays:   8:00 AM - 5:00 PM
Saturday: 8:00 AM - 12:00 PM (by appointment)

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