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    Secret Factory USA – Classic Japanese Car Parts and BuildsSecret Factory USA – Classic Japanese Car Parts and Builds
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    We are Secret Factory USA

    Northern California’s premiere shop specializing in Japanese classics

    We specialize in custom fabrication, engine swaps, rare parts and restoration of vintage Japanese cars. We are Vintage Japanese car enthusiasts and an official Hayashi Racing & Watanabe dealer.

    Located in Sacramento, California – we focus on quality and customization of your Japanese Classic Car – be it completely factory, restomod or fully built. We can help steer you in the right direction regarding repair, diagnostics, restoration and readily available and rare after-market performance parts. If you have any questions or need help, just click below to contact us!
    Lets Talk about my car build
    About us

    Northern California’s premiere shop specializing in custom fabrication, engine swaps, rare parts and restoration of Japanese classics.

    Latest News
    • 02
      May
      Secret Factory visits Watanabe Japan Comments Off on Secret Factory visits Watanabe Japan
    • 02
      May
      Engine Bay Transformation Comments Off on Engine Bay Transformation
    • 25
      Apr
      510 Gets Hayashi Streets Comments Off on 510 Gets Hayashi Streets
    • 11
      Apr
      RA21 Celica Update Comments Off on RA21 Celica Update
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    Copyright 2025 © Secret Factory USA / 8131 Alpine Ave, Suite B, 95826 / Mon-Sat 8AM-6PM
    • Home
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      • Engine and Transmission
      • Suspension
      • Welding + Fabrication
      • Electronics + Wiring
      • Build Recommendations
      • Car + Parts Sourcing
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