Drag Racing

Below you will find a list of Specifications as well as Manufacturers for Drag Racing related products. 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 abou the SFI Spec Program.

For a numerical listing of all SFI Specs with their respective recertification/inspection periods, click here: SFI SPEC LIST

Misc. Drag 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

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

Automatic Transmission Shields (Flexible Type)
SFI Spec 4.1 | Manufacturers
Effective Date: May 27, 2013

Automatic Transmission Shields (Rigid Type)
SFI Spec 4.1 | Manufacturers
Effective Date: May 27, 2013

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

Lower Engine Containment Device
SFI Spec 7.1 | Manufacturers
Effective Date: Feb. 13, 1998

Sportsman Lower Engine Containment Device
SFI Spec 7.2 | Manufacturers
Effective Date: Dec. 15, 2006

Supercharger Restraint Devices
SFI Spec 14.1 | Manufacturers
Effective Date: Jan. 29, 1992

Methanol Fuel Supercharger Restraint Devices
SFI Spec 14.2 | Manufacturers
Effective Date: April 1, 2022

Screw-Type Supercharger Restraint Devices
SFI Spec 14.21 | Manufacturers
Effective Date: Feb. 26, 2014

Nitro-Methane Fuel Supercharger Restraint Devices
SFI Spec 14.3 | Manufacturers
Effective Date: Aug. 25, 2017

Containment Valve Covers/Valve Cover Shields
SFI Spec 14.4 | Manufacturers
Effective Date: Mar. 23, 2004

Manifold Blankets
SFI Spec 14.5 | Manufacturers
Effective Date: Aug. 29, 2014

Engine Blankets – Rear
SFI Spec 14.6 | Manufacturers
Effective Date: Mar. 16, 2015

Nitro-Methane Fuel Supercharger Restraint Strap Engine Brackets
SFI Spec 14.8 | Manufacturers
Effective Date: Apr. 19, 2019

Drag Race Drive Wheels
SFI Spec 15.1 | Manufacturers
Effective Date: Mar. 8, 2019

Drag Race Front Wheels
SFI Spec 15.2 | Manufacturers
Effective Date: Mar. 8, 2019

High Horsepower Drag Race Drive Wheels
SFI Spec 15.3 | Manufacturers
Effective Date: Mar. 8, 2019

Top Fuel and Funny Car Drag Race Drive Beadlock Wheels
SFI Spec 15.4 | Manufacturers
Effective Date: Mar. 8, 2019

On Board Fire Suppression Systems
SFI Spec 17.1 | Manufacturers | Products List
Effective Date: Jun. 26, 2020

Crankshaft Hub Harmonic Dampers
SFI Spec 18.1 | Manufacturers
Effective Date: Aug. 26, 2016

Supercharger Pressure Relief Assemblies
SFI Spec 23.1 | Manufacturers
Effective Date: May 1, 2008

Polymer (Foam-Filled) Fuel Cells
SFI Spec 28.1 | Manufacturers
Effective Date: Aug. 25, 2017

Crash Resistant Fuel Cells
SFI Spec 28.2 | Manufacturers
Effective Date: Jul. 14, 2000

Automatic Transmission Flexplates
SFI Spec 29.1 | Manufacturers
Effective Date: Aug. 26, 2016

High Horsepower Automatic Transmission Flexplates
SFI Spec 29.2 | Manufacturers
Effective Date: Aug. 26, 2016

Automatic Transmission Flexplates for Diesel Applications
SFI Spec 29.3 | Manufacturers
Effective Date: Feb. 26, 2014

Automatic Transmission Flexplate Shields
SFI Spec 30.1 | Manufacturers
Effective Date: Jun. 17, 1999

Screw-Type Superchargers
SFI Spec 34.1 | Manufacturers
Effective Date: Jan. 13, 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

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

Nitro-Methane Fuel Motorcycle Engine Restraint Devices
SFI Spec 46.1 | Manufacturers
Effective Date: Feb. 13, 1998

Top Fuel Rear Wing
SFI Spec 49.1 | Manufacturers
Effective Date: Mar. 22, 2011

Top Fuel Front Wing
SFI Spec 49.2 | Manufacturers
Effective Date: Mar. 22, 2011

Non Flammable, Thermal Barrier / Fire Extinguishing Coatings
SFI Spec 54.1 | Manufacturers
Effective Date: Jan. 17, 2008

Turbochargers
SFI Spec 61.1 | Manufacturers
Effective Date: Jun. 26, 2020

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