What is the purpose of the drilled holes on this brake rotor?

The drilled holes on this rotor help to vent heat and gases away from the braking surface. This can lead to more consistent stopping power, especially during repeated braking events.

What does the black coating on the rotor do?

The black electro-coating is applied to the non-friction surfaces of the rotor. Its primary function is to prevent rust and corrosion, helping the rotor maintain its appearance over time.

Is this rotor sold individually or as a pair?

This listing is for a single rear right brake rotor. If you need to replace both rear rotors, you will need to order two of these units.

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Trusted Since 1957

Est. 1957

Specifications

Brand: R1 Concepts
Part #: 623-52004R

R1 78-81 Pontiac Firebird Rear Right Drilled Black Brake Rotor

Name: R1 78-81 Pontiac Firebird Rear Right Drilled Black Brake Rotor
Brand: R1 Concepts
SKU: r1-concepts-r1-78-81-pontiac-firebird-rear-right-drilled-black-brake-rotor-t14-957859
Price: 103.60 USD
Availability: BackOrder

$103.60

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

R1 Concepts rear right drilled black brake rotor for 1978-1981 Pontiac Firebird.

Key Features

This product is a rear right drilled black brake rotor.
Designed for 1978-1981 Pontiac Firebird models.
Features a black electro-coating for rust and corrosion resistance.
Drilled holes help dissipate heat and gases for improved braking.

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About this part

Product Details

This listing is for one R1 Concepts rear right drilled black brake rotor, part number 623-52004R. This rotor is designed for 1978 through 1981 Pontiac Firebirds.

The rotor features a black electro-coating that helps prevent rust and corrosion, especially in the non-friction areas. The drilled holes are intended to help dissipate heat and gases that build up during braking, which can improve stopping performance, particularly under heavier use. This makes it a solid option if you're looking for an improved look and function over a standard, plain rotor.