EBC F-150 4.6L 4WD 7 Lug GD Sport Front Rotors (2004)

Stock rotors on a 2004 F-150 4.6L 4WD handle everyday driving, but repeated heavy stops heat them past the point where flat, unvented surfaces can shed heat fast enough. EBC's GD7178 GD Sport Rotors address that directly with wide-aperture slots and dimple drilling that pull heat away from the pad contact zone before fade sets in.

Wide-aperture slots that do real work. The slot geometry draws cool air under the pad-to-rotor interface during hard braking, where pad contact temperatures can exceed 1,000 degrees Fahrenheit. Sustained exposure to that heat causes brake fade and glazed pads; the GD slots expel dirt, mud, water, and dust from the braking surface while keeping temperatures in check for more consistent stopping power on a 4WD truck that sees demanding use.

Dimple drilling without the cracking risk. EBC pioneered the dimple-drilled rotor concept in the 1990s as an alternative to full through-drilling. Through-drilled holes remove material at the rotor face and create stress concentration points that promote cracking under thermal cycling. Dimple drilling provides pad degassing and surface refresh without breaching the full rotor cross-section, preserving structural integrity over the long term.

Third-generation corrosion protection. The GD series now ships with a silver corrosion-resistant finish that fights surface rust between drives, keeping the rotor face and hat cleaner over time. GD Sport Rotors are 100 percent machined in the United Kingdom from R90-approved blanks, with castings sourced from ISO and TUV-certified EU facilities. Every rotor clears a 100 percent runout, metallurgy, and dimensional check, plus balance and runout inspection before release.

Product Benefits

• Wide-Aperture Slots: Channel cool air under the pad contact zone and expel debris during braking.
• Dimple-Drilled Surface: Enables pad degassing without through-hole stress points that can lead to rotor cracks.
• Even Pad Wear: Slot pattern promotes consistent pad contact across the full rotor face.
• Corrosion-Resistant Finish: Third-generation silver coating resists surface rust between uses.
• R90-Approved Blanks: Raw material meets European R90 safety standards before machining begins.
• 100% Pre-Release Inspection: Every rotor passes runout, metallurgy, dimensional, and balance checks.
• Direct Front Fitment: Spec'd specifically for the 2004 F-150 4.6L 4WD 7-lug application.

About EBC Brakes: EBC Brakes is a specialist brake manufacturer supplying street and performance rotors, pads, and brake kits for a wide range of vehicles. Production takes place in ISO and TUV-certified facilities in the UK and EU, with slotting and finishing operations also conducted at EBC's Las Vegas facility. Every product undergoes strict dimensional, metallurgical, and runout verification before it leaves the line.

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