Donathen Lower Rad Core Support

Donathen Lower Rad Core Support

Donathen Lower Rad Core Support
Available Options:
Vehicle Year:

Our Lower Rad supports are made of Docol R8 tubing.

Saves about 3lbs over the factory core support.

Fox Body Core supports utilize the traditional "U" mounts while the 94-04 cars utilize a bracket that reuses the factory grommets.

Please select model year below.

Each unit is custom built, to order, from MAF Racing.
Free Shipping is included for all orders shipped within the 48 Continental United States. Orders outside the US will be held until extra shipping costs can be determined and paid for.


  • Docol R8 Tube Ultra High Strength Steel Dual Phase Steel
  • Docol R8 was engineered to provide a stronger, more consistent alternative to 4130 CD SMLS tube.
  • Suitable applications: aerotube, roll cages, chassis, suspension, wheelie bars, motorcycles, wing struts, drive shafts, nerf bars and bumpers.
  • Common production car applications: door crash bars, roof bows, A&B pillars, bumpers, foot boxes and seats. Docol has been used in production cars for more than 30 years.

  • Stronger than 4130 by 10 to 15 percent
  • Heat Affected Zone (HAZ) in Docol R8 is much less in area than 4130, less brittle than 4130, retains better elongation and necking than 4130
  • Docol R8 is much more tolerant to heavy fabrication
  • clean mill finish product minimal, if any, surface prep required
  • Accurate and consistent dimensional and mechanical properties due to this material being a rolled and welded strip.
  • Compatible with welding to 4130 and mild steel
  • Use ER 80 S filler material (same as 4130)
  • Suitable for TIG and MIG welding
  • This is what you want to buy if you plan on welding any brackets or tabs to your bumper support or rad core support.

    Black Powdercoat option now available!
    Select option below.


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