Main

REVISED FRONT ENGINE DRAGSTER (NOSTALGIA TOP FUEL) ROLL CAGE SPEC - March 9, 2010: SFI Spec 2.2B has been revised and is now spec version 2.2C for Front Engine Dragster Roll Cage, 5.99 Seconds E.T. or Quicker. If you use this spec, it is recommended that you purchase a new copy of Spec 2.2C from SFI so you have the current requirements. See below for ordering information.

Please note that several other dragster roll cage specs have also been revised (2.1A, 2.4C, 2.5C, 2.6A, and 2.7C). If you own a previous version of any one of these specs, the notice found in the following link is provided as a supplement so that it is not necessary to purchase a new spec copy. These updates can be viewed by clicking on the following link: SFI Roll Cage Spec Revisions Notice 03-05-10.

NEW FULL BODIED CAR ROLL CAGE SPEC - September 3, 2009: The new SFI Spec 25.3 for Full Bodied Cars, 6.50 to 7.49 Seconds ET, 3,600 Lbs. Maximum is now available from SFI. See below for ordering information.

SPEC 2.3N TECH ADVISORY- February 19, 2009: a Tech Advisory for SFI Spec 2.3N that outlines an acceptable method to back-half a chassis to the 2.3N Spec when the splice on the existing car is too close to the seat upright and/or rear seat cross member has been issued and is available by clicking here:SFI 2.3N Tech Advisory 02-18-09.

The following roll cage specifications are required by various drag race sanctioning bodies. Please check the rulebook of your race group to see which spec is required for your particular class. Or contact the SFI office at specs@sfifoundation.com with questions.

Spec #	Dragsters	Current Revision Date	Price (US$)
2.1A	Rear Engine Dragster (Top Alcohol/Methanol) – 5.99 Seconds & Quicker	March 5, 2010	35.00
2.2C	Front Engine Dragster – 5.99 Seconds & Quicker	March 5, 2010	35.00
2.3N	Rear Engine Dragster (Top Fuel) – 6.29 Seconds & Quicker	November 19, 2007	45.00
2.4C	Front Engine Dragster – 6.00 to 7.49 Seconds	March 5, 2010	35.00
2.5C	Rear Engine Dragster – 6.00 to 7.49 Seconds	March 5, 2010	35.00
2.6A	Front Engine Dragster – 7.50 Seconds & Slower	March 5, 2010	35.00
2.7C	Rear Engine Dragster – 7.50 Seconds & Slower	March 5, 2010	35.00
Spec #	Funny Cars, Altereds and Roadsters	Current Revision Date	Price (US$)
10.1E	Funny Car Roll Cage (Alcohol, Advanced ET, Nostalgia, etc.)	December 9, 2004	35.00
10.2	Altered Car Roll Cage – 6.00 to 7.49 Seconds	June 13, 2003	35.00
10.3	Altered Car Roll Cage – 7.50 Seconds & Slower	June 13, 2003	35.00
10.4	Side Steer Roadster Roll Cage – 7.50 Seconds & Slower	December 9, 2004	35.00
10.5	Nitro Fuel Funny Car Chassis	January 17, 2008	35.00
Spec #	Full Bodied Cars	Current Revision Date	Price (US$)
25.1E	Full Bodied Car Tube Chassis – 7.49 Seconds & Quicker; 2,800 lbs. Maximum	June 14, 2002	35.00
25.2	Full Bodied Car Tube Chassis – 7.49 Seconds & Quicker; 3,200 lbs. Maximum	June 14, 2002	35.00
25.3	Full Bodied Car with Aftermarket Body Shell and Tube Frame, OEM Body Shell and OEM Frame with OEM or Modified Floorpan and Firewall, or Uni-Body with OEM or Modified Floorpan and Firewall Roll Cage - 6.50 to 7.49 Seconds ET; 3,600 Lbs. Maximum	September 1, 2009	35.00
25.4	Full Bodied Car Tube Chassis – 7.50 to 8.49 Seconds; 3,600 lbs. Maximum	June 14, 2002	35.00
25.5	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	June 14, 2002	35.00

Call SFI at 858-451-8868 to order by credit card. We accept VISA and MasterCard. Please DO NOT email your credit card information. Shipping and handling costs will apply for all orders.