How do you tell if you have 4 or 6 piston calipers?
Determining whether your vehicle has 4 or 6 piston calipers is a straightforward process that can be done with a visual inspection. The number of pistons in the brake caliper directly affects the braking power and performance of your vehicle, so it's important to know which type you have.
Identifying 4 Piston Calipers
Four-piston calipers are the more common type found on many passenger vehicles. They typically have a square or rectangular shape and are easily identifiable by the presence of four individual pistons, two on each side of the caliper. The pistons are usually visible through the wheel spokes or from the side of the vehicle.
Identifying 6 Piston Calipers
Six-piston calipers are less common and are typically found on high-performance or sports cars. These calipers have a larger, more bulbous appearance compared to 4-piston calipers. The six pistons are arranged in a staggered pattern, with three pistons on each side of the caliper.
Factors to Consider
In addition to the visual inspection, you can also consider the following factors to help determine the number of pistons in your brake calipers:
- Vehicle Type: High-performance and sports cars are more likely to have 6-piston calipers, while more common passenger vehicles typically have 4-piston calipers.
- Brake Pad Size: 6-piston calipers generally require larger brake pads to accommodate the increased number of pistons.
- Brake Rotor Size: Vehicles with 6-piston calipers often have larger brake rotors to match the increased braking power.
Knowing the number of pistons in your brake calipers can help you understand the braking capabilities of your vehicle and make informed decisions about maintenance, upgrades, or replacement parts.