SFI Chassis Spec 25.5C Revision

The SFI Spec 25.5 has been revised, effective May 12, 2015. The newly revised version is designated as SFI Spec 25.5C and is for Full Bodied Car Stock or Modified/OEM Floorpan and Firewall with OEM Frame or Uni-Body Construction – 7.50 to 8.49 Seconds; 3,600 lbs. Maximum.

This revision clarifies the use of OEM rear frame rails in Unibody cars under certain conditions. To download a PDF copy of a summary of the revision, click here: SFI 25.5C Revision Notice 05-12-15. Previous Chassis Spec Revision Notices may also be found on our Tech Advisories page.

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