Mays Performance

Mays Performance Basic Services - Major Services - Engine Builds - Suspension - Alignments - Brakes - Performance

Massimo Power Brings you the best parts and service at the best prices. We tackle anything from basic service to Suspension setups and custom alignments to full on race car builds and anything in between. With a knowledgeable and friendly staff which started this as a hobby, we know just how important it is to keep prices down but offer great service we can be proud of. At Massimo Power we specia

lize in most Mitsubishi's but are well rounded in most makes and models of cars. Feel free to contact us with any question and concerns and we will always do our best to accommodate you.

Without racing there is no Honda.
04/29/2026

Without racing there is no Honda.

Back for more 👏
02/19/2026

Back for more 👏

Maybe this time it won’t..💣🆙 with the help of engine oil baffle and pickup up tube 🤞🏽
02/06/2026

Maybe this time it won’t..💣🆙 with the help of engine oil baffle and pickup up tube 🤞🏽

Gotta love this SoCal winter weather 👌🏽
01/27/2026

Gotta love this SoCal winter weather 👌🏽

A timeless story 🇯🇵
12/09/2025

A timeless story 🇯🇵

Brake fluid should never be as old as your vehicle..😬
10/29/2025

Brake fluid should never be as old as your vehicle..😬

All this for some spark plugs 🤫
08/21/2025

All this for some spark plugs 🤫

Its been a while since we’ve seen one this clean 😮‍💨 .dsm
08/19/2025

Its been a while since we’ve seen one this clean 😮‍💨 .dsm

AYC pump rebuild was a success 🤫 might just start doing this service full time now..
06/11/2025

AYC pump rebuild was a success 🤫 might just start doing this service full time now..

the slave cylinder has left the chat 🫠 but we were able to quickly get back on the streets with this American classic 🏎...
02/18/2025

the slave cylinder has left the chat 🫠 but we were able to quickly get back on the streets with this American classic 🏎️ 💨

A lot of early mornings and late nights go into making this shop what it is so that we can serve all our loyal customers...
12/10/2024

A lot of early mornings and late nights go into making this shop what it is so that we can serve all our loyal customers. To everyone waiting on their projects we apologize for the delay as an overwhelming amount of tools and equipment were stolen. We appreciate your patience and will do our best to get this situated and bounce back.

If you see a middle aged Hispanic man driving a clapped out 2010-2016 green Kia soul in the Ontario/Rancho/fontana area and can get a plate # please dm

Address

201 S Wineville Avenue Suite D
Ontario, CA
91761

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm

Telephone

+19092255599

Website

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