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Auto repair & maintenance - trusted service for every vehicle.

From oil changes to engine overhauls, MAC Speed & Custom keeps Fullerton on the road. 24+ years of honest work, fair prices, and quality you can feel.

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Current Special

Spring Into Summer Special — Starting at $400 (a $650 value)

Book the special

24+ Years in Fullerton

4.7★ Google Reviews

All Makes & Models

Everything your car needs. One shop.

We work on almost every make and model — daily drivers, classics, EVs, and everything in between. Click any service below to learn more, or call us if you don’t see what you’re looking for. Chances are, we do that too.
Red vector icon of an oil drum barrel with an oil droplet symbol.

Oil Change & Inspection

A 52-point check on every visit. We don't just change the oil — we look at brakes, suspension, fluids, tires, filters, and everything in between. Catch the small stuff before it becomes the expensive stuff.

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Brakes & Suspension

Premium parts, dialed-in handling, stop-on-a-dime confidence. Pads, rotors, calipers, shocks, struts — front to back, top to bottom.

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Red vector icon of a mechanic holding a wrench while standing in front of an open car hood.

Engine Repair

Knock, hesitation, rough idle, or full rebuild — we handle it all. Minor repairs to complete engine overhauls and replacements, on almost every make and model.

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Transmission

Flushes, services, full overhauls, and replacements. Whether you're losing gears or losing your patience, we'll get you shifting smooth again.

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Red vector icon of a computer monitor displaying car diagnostic data and electrical battery symbols.

Engine Light & Diagnostics

That light on your dash means something. We offer free diagnostic scans to catch issues early — before a $50 fix becomes a $5,000 one.

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A/C & Heating

Recharges, leak tests, component replacements. Cool in the summer, warm in the winter, comfortable year-round.

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Tires & Alignment

Mount, balance, rotate, replace. Plus four-wheel alignment for all makes and models — extending tire life and keeping you tracking straight.

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Tesla Alignment

One of the few authorized Tesla alignment centers in Orange County. Precision alignment for Model 3, Y, S, X, and Cybertruck.

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Scheduled Maintenance

Factory-recommended service intervals, done by people who actually care about your car. Keep it running like new for the long haul.

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Drivetrain

CV joints, axles, differentials, transfer cases — all the parts that turn engine power into forward motion. We keep them all chugging.

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Red vector icon of a car with an open hood indicating mechanical repair.

Radiator & Cooling System

Flushes, leak repairs, replacements. A small leak now beats engine failure later — bring it in at the first sign of trouble.

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Seasonal Special

This season's special - get more, pay less.

Spring Into Summer Special Starting at $400 (a $650 value — save $250)

What’s included:
  • Complete 52-point inspection
  • Full synthetic oil change
  • 4-tire rotation
  • Air filter replacement
  • Cabin filter replacement
  • Fuel filter replacement
  • Coolant system service
  • EFI service
  • A/C recon
  • Top off all fluids
Book the Spring Into Summer Special

Contact the shop for the availability of this special. Pricing varies by vehicle.

Mechanic in navy coveralls pouring oil into a car engine at MAC Speed and Custom, beside a chalkboard listing seasonal service packages including full synthetic oil change, tire rotation, brake inspection and multi-point check

Trusted by Fullerton drivers for 24+ years.

24+ Years

Serving Orange County drivers since 2010

4.7★

Google Reviews

Guaranteed Workmanship

Honest work, fair prices, every time

Whether it’s a quick oil change or a complete engine rebuild, we’ll tell you what your car actually needs — and what it doesn’t. Book online anytime, or call us during shop hours.

Contact Us
Call (714) 580-7848

Hours line: Open Monday – Thursday, 6:30am – 5:00pm. Book online 24/7 — we’ll confirm Monday morning.