1705 W Main St
Sac City, IA 50583
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712-662-4738

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IOWA AUTOMOTIVE MACHINE & SUPPLY INC. > In Stock Auto Parts > BRAKE PARTS > ROTORS

Brake Rotors

Iowa Automotive Machine & Supply Inc.: Brake Rotors

Ready to buy a new set of brake rotors but confused about what type of rotor would work best for your car or driving style? Come by Iowa Automotive Machine & Supply Inc. at 1705 W Main St or call 712-662-4738 and our auto parts specialist will be happy to help you select new brake rotors.

Four Types Of Brake Rotors

  • Blank - Features a smooth surface
  • Drilled - Offers multiple holes drilled into the surface of the rotor for better "bite"
  • Slotted - Has the appearance of smooth grooves that cover the diameter of the brake rotor
  • Drilled and Slotted - Offers the benefits of both drilled and slotted brake rotors combined in one

Most OEM factory installed brake systems use a blank rotor. But some high-performance cars or heavy-duty trucks use slotted and drilled brake rotors. Slotted grooves or drilled holes are used to vent heat away from the brake pad. As the rotor spins, heat build-up escapes. By removing extra heat the brakes may perform better under challenging conditions.

6 Reasons To Choose A Blank Smooth Brake Rotor or OEM Brake Rotor

  • Most common brake rotor used by most car manufacturers
  • Very cost-effective
  • Preferred by "around town" luxury car drivers and long-distance endurance racers
  • Quiet - smooth blank brake rotors produce very little street noise or rumble
  • Produces very little brake dust but may increase brake pad glazing
  • Lasts longer than other brake types

6 Reasons To Choose Drilled Rotors

  • Great for general use in street vehicles
  • Best known for performing well when raining because drilled holes give the water a place to escape
  • Holds up well over the life of the brake rotors
  • Delivers more friction causing the brake rotor to dry off quickly in wet conditions
  • Wears unevenly and may require frequent maintenance
  • Develops cracks when used for racing because the brake rotor cannot withstand repeated heat and cool cycles

6 Reasons To Choose Slotted Rotors

  • Great for heavy trucks, SUVs, off-road vehicles, tow trucks, and competition race cars
  • Cools brake rotors and pads quickly as slots remove heat each time the rotor spins
  • Delivers improved consistency with every stop, by distributing the friction on the brake pads
  • Slots shave off brake pad glaze to expose fresh material each time you brake. However, this benefit can also mean replacing your brake pads more often
  • Drivers who enjoy feeling connected to the road may like the rumble and noise created by slotted rotors
  • Offers fewer issues with cracks than drilled brake rotors

6 Reasons To Choose Drilled And Slotted Rotors

  • Works well in wet climates
  • The most commonly used brake rotor on Mercedes, BMW, and other high-performance luxury cars.
  • Great for tow trucks and vehicles carrying heavy loads where more energy is needed to come to a complete stop
  • The surface is vulnerable to cracking under extreme racing and track conditions
  • May wear unevenly and may require frequent maintenance
  • The rumbling noise generated by the brake rotors are an acceptable trade-off for increased performance for many driving enthusiasts