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 and Companies/Manufacturers 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
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
Multiple Disc Clutch Assemblies for Supercharged, Nitrous Oxide-injected, and Turbocharged Vehicles
SFI Spec 1.5 | Manufacturers
Effective Date: Feb. 9, 2006
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: Apr. 1, 2022
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: Apr. 1, 2022
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: Apr. 1, 2022
Containment Bellhousing for SFI Clutch Assemblies for supercharged and nitrous-oxide applications
SFI Spec 6.3 | Manufacturers
Effective Date: Apr. 1, 2022
On Board Fire Suppression Systems
SFI Spec 17.1 | Manufacturers | Products List
Effective Date: Jun. 26, 2020
Single Seat Open Wheel Rear Engine On Board Fire Suppression Systems
SFI Spec 17.2 | Manufacturers
Effective Date: Apr. 19, 2019
Single Seat Open Wheel Front Engine On Board Fire Suppression Systems
SFI Spec 17.3 | Manufacturers
Effective Date: Apr. 1, 2022
Crankshaft Hub Harmonic Dampers
SFI Spec 18.1 | Manufacturers
Effective Date: Aug. 26, 2016
Competition Fuel Cell Bladder
SFI Spec 28.3 | Manufacturers
Effective Date: June 17, 2022
Stock Car Fuel Cell Bladder
SFI Spec 32.1 | Manufacturers
Effective Date: Jun. 26, 2020
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: Nov. 11, 2022
Alloy Stock Car Wheels
SFI Spec 35.3 | Manufacturers
Effective Date: Oct. 22, 2020
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: Mar. 12, 2021
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
