United Engine & Machine Co.

United Engine & Machine Co. A global leader in aluminum piston manufacturing. Proudly family-owned for over 100 years. The company continued to grow until the start of the World War II.

Serving OE replacement, forged high-performance, diesel, motorcycle, marine, powersports, industrial/ag and special order markets. United Engine and Machine Company was started in 1922 in Fresno, California by Deuta Sulprizio, Sr. For eight years, the company continued to grow and build a reputation for the manufacturing of pistons. Then in 1930 the company was moved to San Leandro, California in

order to supply OEM manufacturers located on the West Coast. During the war, the company's emphasis changed. No longer were they solely a piston manufacture. The company started supplying special marine applications for PT boats and some small munitions, such as incendiary bombs. Following the war and the death of the founder in 1946, the company once again directed its efforts back to pistons. Management was now handled by the sons, Ray, Deuta and Chal Sulprizio. The company continued to grow with its strength built on flexible management and its ability to design and build its own equipment at considerable savings. This philosophy carried the company through the 50's, 60's and 70's. But in the late seventies it became apparent that the cost of doing business in the Bay Area was becoming far too high. If United Engine and Machine Company was to stay competitive in domestic, as well as world markets, it must make a change. The company relocated to Carson City, Nevada in 1978, where it has continued to grow. Since it's move, United Engine has continued to look at it's role in the domestic and world market. Currently, UEM manufactures the Silv-O-Lite OE aftermarket piston line, KB Performance Pistons (including the motorcycle division), and The Claimer Performance Piston Series. United Engine and Machine Company is now enjoying more than 80 years in business.

05/23/2026

The action says it all ‼️



Day number last here at The Strip at Las Vegas Motor Speedway for Holley LS Fest West. Wind is kicking but cars are roll...
04/26/2026

Day number last here at The Strip at Las Vegas Motor Speedway for Holley LS Fest West. Wind is kicking but cars are rolling! STS and drag racing going on right now!
United Engine & Machine Co.
Figspeed Speed Shop
Les Figueroa

Andy Wood from UnityMotorSportsGarage hosted a fun filled and horsepower packed dyno competition! Enjoy the video 😃 ...
04/26/2026

Andy Wood from UnityMotorSportsGarage hosted a fun filled and horsepower packed dyno competition! Enjoy the video 😃

95 likes, 26 comments. "Who DOMINATES the Dyno? Chevy vs Ford vs Mopar – Race Engine Challenge 2026"

04/25/2026

Watching the drifting from the top of the grandstands here at The Strip at Las Vegas Motor Speedway for Holley LS Fest west.

United Engine & Machine Co.
Figspeed Speed Shop
Holley

Just a couple of things you will see here at Holley LS Fest West The Strip at Las Vegas Motor Speedway!United Engine & M...
04/25/2026

Just a couple of things you will see here at Holley LS Fest West The Strip at Las Vegas Motor Speedway!

United Engine & Machine Co.
Figspeed Speed Shop
Les Figueroa

04/25/2026

Day✌🏽here at The Strip at Las Vegas Motor Speedway for Holley LS Fest West! Come on out and check out the action… drag racing, time attack, drifting, burn out box, off road racing… it’s all here!
United Engine & Machine Co.
Figspeed Speed Shop
Les Figueroa

United Engine & Machine Co. is at The Strip at Las Vegas Motor Speedway for LS Fest West 2026! Come find us with Les Fig...
04/24/2026

United Engine & Machine Co. is at The Strip at Las Vegas Motor Speedway for LS Fest West 2026! Come find us with Les Figueroa at the Figspeed Speed Shop trailer! All LS pistons are on display. Come talk to Steve and Frank with any piston questions you may have.


LS Fans come join us and Figspeed this weekend at Las Vegas Motor Speedway for Holley LSFEST West!!
04/22/2026

LS Fans come join us and Figspeed this weekend at Las Vegas Motor Speedway for Holley LSFEST West!!

04/21/2026

Wes checks in with our newly sponsored driver Austin Phipps at his shop in Tempe,AZ to talk a little bit about his experience at his latest event at Firebird Raceway in Phoenix.

Happy 409 day! It's 4-09-26 and we're celebrating the Chevy BB 409 😃. We still make forged pistons for the quintessen...
04/10/2026

Happy 409 day! It's 4-09-26 and we're celebrating the Chevy BB 409 😃.
We still make forged pistons for the quintessential W-series Big blocks 💪💥 , like our part # IC959KTD.048

Address

1040 Corbett Street
Carson City, NV
89706

Opening Hours

Monday 7am - 5:30pm
Tuesday 7am - 5:30pm
Wednesday 7am - 5:30pm
Thursday 7am - 5:30pm
Friday 7am - 3:30pm

Telephone

+17758827790

Website

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