Dynamic Friction
DFC Brake Rotor - Drilled and Slotted - Silver

Dynamic Friction 631-80001L Disc Brake Rotor - Front Left

Brand Dynamic Friction 631-80001L
Position Front Left
Discard Thickness 17
Nominal Thickness 18
Disc Finish Plain
Hat Finish Zinc silver
Rust Resistant Coating Yes
Bolt Hole Quantity 4
Overall Height 100.5
Outside Diameter 228
Height 100.5
Surface Type Slotted x drilled
Solid Or Vented Type Rotor Vented
Center Hole Diameter 59.3
Stud/Lug Hole Quantity 4
Directional or Non-Directional Brake Surface Directional
Bolt Circle Diameter 110
Stud/Lug Hole Circle Diameter 110
Product line DFC Brake Rotor - Drilled and Slotted - Silver
Fits Mazda · 5 vehicles

Drilled and slotted design. Helps promote cooler, more consistent braking performance.

Vented rotor. Supports airflow to help manage heat during braking.

Rust-resistant coating. Adds protection against corrosion for a cleaner finish.

$111.78Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $111.78
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Front Left Drilled and Slotted Rotor for RX-7

The Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-80001L, is a vented disc brake rotor built for the front left position on 1979-1983 Mazda RX-7 models. It combines a slotted X drilled surface with a zinc silver hat finish and rust resistant coating for a clean, service-ready appearance.

Key Features

  • Fits 1979-1983 Mazda RX-7, front left
  • Part number 631-80001L for application-specific lookup
  • Slotted X drilled brake surface for directional braking performance
  • Vented rotor design with 228 mm outside diameter
  • 17 mm discard thickness and 18 mm nominal thickness
  • Zinc silver hat finish with rust resistant coating
  • 4-bolt, 4-lug design with 110 mm bolt circle diameter
  • 59.3 mm center hole diameter and 100.5 mm overall height

Product Details

This DFC Brake Rotor line from Dynamic Friction focuses on rotor construction and surface design for direct-fit brake service. The 631-80001L uses a directional slotted and drilled braking surface to support consistent pad contact, while the vented rotor body helps manage heat during repeated stops. For Mazda RX-7 front brake service, the silver zinc hat finish and rust resistant coating help maintain a cleaner rotor appearance over time.

Use part number 631-80001L when sourcing a front left brake rotor for a 1979-1983 Mazda RX-7. The fitment is specific to the front left position, making it a precise match for RX-7 brake maintenance and rotor replacement work.

What It Helps Address

  • Front rotor wear on a 1979-1983 Mazda RX-7
  • Brake surface scoring or uneven pad contact
  • Heat buildup during repeated braking
  • Surface rust on exposed rotor areas
  • Rotor replacement for the front left position

Installation Notes and Tips

Confirm rotor dimensions, bolt pattern, center hole diameter, and position before installation. This rotor is directional, so orientation matters during service. Verify pad condition, hub cleanliness, and brake hardware condition before completing the brake job on a Mazda RX-7. Part number 631-80001L should be matched to the front left application listed in fitment.

Quality Assurance

Built by Dynamic Friction with a vented rotor design, zinc silver hat finish, and rust resistant coating for consistent brake service on the specified application. This product is identified for 1979-1983 Mazda RX-7 front left fitment.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1983MazdaRX-7Front LeftDFC Brake Rotor - Drilled and Slotted - Silver
1982MazdaRX-7Front LeftDFC Brake Rotor - Drilled and Slotted - Silver
1981MazdaRX-7Front LeftDFC Brake Rotor - Drilled and Slotted - Silver
1980MazdaRX-7Front LeftDFC Brake Rotor - Drilled and Slotted - Silver
1979MazdaRX-7Front LeftDFC Brake Rotor - Drilled and Slotted - Silver