Blue FL5 Civic Type R at night

Black Friday sale · Nov 20–30

Up to$450 off

The bigger the build, the bigger the gift. Add your parts and see your price at checkout. No code needed.

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Applied automatically at checkout on everything in the store.

Verified FitmentIn-Stock Parts Ship in 1–3 Business DaysRun by an FL5 OwnerCivic Type R · GR Supra · GR86 / BRZ · Mustang S650 Verified FitmentIn-Stock Parts Ship in 1–3 Business DaysRun by an FL5 OwnerCivic Type R · GR Supra · GR86 / BRZ · Mustang S650

FOURTH TO FIFTH AUTOMOTIVE

Performance parts without the guesswork
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Curated parts. Maximum completeness. Within your budget.
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Ford Mustang S650
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Everything For Your S650

Aero, diffusers, suspension, and more for the 2024–2026 Mustang. Fitment verified for the S650.

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Who We Are

Why 4th to 5th?

We aren't another large-scale corporate business in the car part game. 4th to 5th Automotive is built by people with a real passion for the automotive industry. We relate to the car community because we are a part of it. No lie — we really are.

Let's Finish That Car

We've been in your shoes. Making your automotive dream a reality isn't always easy. So stop dreaming — and finish that car.

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In-stock parts ship in 1–3 business days · made-to-order up to a week