Mays Performance
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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 specialize 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.
07/02/2026
Wide body G in for a polished intake plenum and look over before hitting the streets again 😎
06/02/2026
Level 💯 aura😮💨
04/29/2026
Without racing there is no Honda.
02/19/2026
Back for more 👏
02/06/2026
Maybe this time it won’t..💣🆙 with the help of engine oil baffle and pickup up tube 🤞🏽
01/27/2026
Gotta love this SoCal winter weather 👌🏽
12/09/2025
A timeless story 🇯🇵
10/29/2025
Brake fluid should never be as old as your vehicle..😬
08/21/2025
All this for some spark plugs 🤫
08/19/2025
Its been a while since we’ve seen one this clean 😮💨 .dsm
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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 |
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