Below you will find a list of Specifications as well as Manufacturers for Auto Racing. Click on a link and download the file that pertains to what you are looking for. Certification that products meet SFI minimum standards is made by the product manufacturer. Products are NOT certified, endorsed, or approved by the SFI Foundation under this Program. Learn more about the SFI Spec Program.
For a numerical listing of all SFI Specs with their respective recertification/inspection periods, click here: SFI SPEC LIST
Misc. Auto Racing
Replacement Flywheels and Clutch Assemblies
SFI Spec 1.1 | Manufacturers
Effective Date: Nov. 9, 2001
Multiple Disc Clutch Assemblies for Vehicles with Naturally Aspirated Engines
SFI Spec 1.2 | Manufacturers
Effective Date: Feb. 9, 2006 (edited Feb. 23, 2016)
Nitro-Methane Drag Race Multiple Disc Clutch Assemblies
SFI Spec 1.3 | Manufacturers
Effective Date: May 23, 2000 (edited Feb. 23, 2016)
Methanol Drag Race Multiple Disc Clutch Assemblies
SFI Spec 1.4 | Manufacturers
Effective Date: May 23, 2000 (edited Apr. 11, 2008)
Multiple Disc Clutch Assemblies for Supercharged, Nitrous Oxide-injected, and Turbocharged Vehicles
SFI Spec 1.5 | Manufacturers
Effective Date: Feb. 9, 2006 (edited Apr. 11, 2008)
Containment Bellhousing for SFI 1.1 & 1.2 Clutch Assemblies for limited normally aspirated applications, and forced induction applications with torque converters
SFI Spec 6.1 | Manufacturers
Effective Date: Aug. 26, 2016
Passenger Car Replacement Containment Bellhousings with Adjustable Clutch Window for SFI 1.1 & 1.2 Clutch Assemblies for limited normally aspirated applications, and forced induction applications with torque converters
SFI Spec 6.1W | Manufacturers
Effective Date: Aug. 26, 2016
Containment Bellhousing for SFI 1.3 & 1.4 Clutch Assemblies for Nitro-methane, Top Alcohol, and heavy-duty tractor applications
SFI Spec 6.2 | Manufacturers
Effective Date: May 11, 2015
Containment Bellhousing for SFI Clutch Assemblies for supercharged and nitrous-oxide applications
SFI Spec 6.3 | Manufacturers
Effective Date: Aug. 26, 2016
On Board Fire Suppression Systems
SFI Spec 17.1 | Manufacturers
Effective Date: Apr. 20, 2018
Single Seat Open Wheel Rear Engine On Board Fire Suppression Systems
SFI Spec 17.2 | Manufacturers
Effective Date: Apr. 19, 2019
Crankshaft Hub Harmonic Dampers
SFI Spec 18.1 | Manufacturers
Effective Date: June 17, 1999
Competition Fuel Cell Bladder
SFI Spec 28.3 | Manufacturers
Effective Date: April 21, 2014
Stock Car Fuel Cell Bladder
SFI Spec 32.1 | Manufacturers
Effective Date: Mar. 24, 2009
Stock Car Fill/Vent Check Valve Assembly
SFI Spec 32.2 | Manufacturers
Effective Date: Mar. 24, 2009
Stock Car Steel Wheels
SFI Spec 35.1 | Manufacturers
Effective Date: Aug. 26, 2008
Heavy Duty Stock Car Steel Wheels
SFI Spec 35.2 | Manufacturers
Effective Date: Dec. 29, 2014
Stock Car Type Racing Seats (Custom)
SFI Spec 39.1 | Manufacturers
Effective Date: Mar. 16, 2015
Racing Seats (Standard)
SFI Spec 39.2 | Manufacturers
Effective Date: Aug. 25, 2017
Steering Wheel Quick Disconnect/Release
SFI Spec 42.1 | Manufacturers
Effective Date: Feb. 15, 1996
Drive Shafts
SFI Spec 43.1 | Manufacturers
Effective Date: Aug. 25, 2017
Stock Car Wheel Spacers
SFI Spec 44.1 | Manufacturers
Effective Date: Aug. 11, 2005
Roll Bar Padding
SFI Spec 45.1 | Manufacturers
Effective Date: Aug. 11, 2005
Impact Padding
SFI Spec 45.2 | Manufacturers
Effective Date: Mar. 27, 2013
Shift Boot Covers
SFI Spec 48.1 | Manufacturers
Effective Date: Jul. 19, 2007
Fueler Apron
SFI Spec 52.1 | Manufacturers
Effective Date: Jun. 5, 2012
Non Flammable, Thermal Barrier / Fire Extinguishing Coatings
SFI Spec 54.1 | Manufacturers
Effective Date: Jan. 17, 2008
NASCAR-Type Tethers
SFI Spec 55.1 | Manufacturers
Effective Date: Mar. 24, 2009
NASCAR Dashboard and Other Carbon Fiber Components
SFI Spec 56.1 | Manufacturers
Effective Date: Feb. 26, 2014
