Manufacturer List

Replacement Flywheels and Clutch Assemblies
SFI Spec 1.1  |  Manufacturers

Multiple Disc Clutch Assemblies for Vehicles with Naturally Aspirated Engines
SFI Spec 1.2  | Manufacturers

Nitro-Methane Drag Race Multiple Disc Clutch Assemblies
SFI Spec 1.3  |  Manufacturers

Methanol Drag Race Multiple Disc Clutch Assemblies
SFI Spec 1.4 | Manufacturers

Multiple Disc Clutch Assemblies for Supercharged, Nitrous Oxide-injected, and Turbocharged Vehicles
SFI Spec 1.5 | Manufacturers

Driver Suits
SFI Spec 3.2 | Download

Driver Accessories
SFI Spec 3.3 – Download

Automatic Transmission Shields (Flexible Type)
SFI Spec 4.1 – Download

Automatic Transmission Shields (Rigid Type)
SFI Spec 4.1 – Download

Tractor Blankets
SFI Spec 4.2 – Download

Containment Bellhousing for SFI 1.1 & 1.2 two disc maximum Clutch Assemblies or SFI 1.1 & 1.2 three-disc (8-inch diameter maximum) Clutch Assemblies used only on naturally aspirated vehicles
SFI Spec 6.1 – Download

Passenger Car Replacement Containment Bellhousings with Adjustable Clutch Window for SFI 1.1 & 1.2 Single Disc Clutch or Two Disc (8-inch dia. Maximum) Clutch Assemblies Used Only on Naturally Aspirated Vehicles
SFI Spec 6.1W – Download

SFI Spec 6.2 Containment Bellhousing for SFI 1.3 & 1.4 Clutch Assemblies

SFI Spec 6.3 Containment Bellhousing for SFI 1.2 two disc or more Clutch Assemblies used on naturally aspirated vehicles or SFI 1.1, 1.2, 1.4, and 1.5 (two disc maximum) Clutch Assemblies used on supercharged/nitrous injected vehicles

SFI Spec 7.1 Lower Engine Containment Device

SFI Spec 7.2 Sportsman Lower Engine Containment Device

SFI Spec 14.1 Supercharger Restraint Devices

SFI Spec 14.2 Methanol Fuel Supercharger Restraint Devices

SFI Spec 14.21 Screw-Type Supercharger Restraint Devices

SFI Spec 14.3 Nitro-Methane Fuel Supercharger Restraint Devices

SFI Spec 14.4 Containment Valve Covers/Valve Cover Shields

SFI Spec 15.1 Drag Race Drive Wheels

SFI Spec 15.2 Drag Race Front Wheels

SFI Spec 15.3 High Horsepower Drag Race Drive Wheels

SFI Spec 15.4 Top Fuel and Funny Car Drag Race Drive Beadlock Wheels

SFI Spec 16.1 Driver Restraint Assemblies

SFI Spec 16.5 Stock Car Driver Restraint Assemblies

SFI Spec 17.1 On Board Fire Suppression Systems

SFI Spec 18.1 Crankshaft Hub Harmonic Dampers

SFI Spec 20.1 Go-Kart Chest Protector (Youth Driver)

SFI Spec 23.1 Supercharger Pressure Relief Assemblies

SFI Spec 24.1 Youth Full Face Helmets

SFI Spec 27.1 Window Nets

SFI Spec 28.1 Polymer (Foam-Filled) Fuel Cells

SFI Spec 28.2 Crash Resistant Fuel Cells

SFI Spec 29.1 Automatic Transmission Flexplates

SFI Spec 29.2 High Horsepower Automatic Transmission Flexplates

SFI Spec 29.3 Automatic Transmission Flexplates for Diesel Applications

SFI Spec 30.1 Automatic Transmission Flexplate Shields

SFI Spec 31.1 Flame Resistant Motorsports Helmets

SFI Spec 32.1 Stock Car Fuel Cell Bladder

SFI Spec 32.2 Stock Car Fill/Vent Check Valve Assembly

SFI Spec 34.1 Screw-Type Superchargers

SFI Spec 35.1 Stock Car Steel Wheels

SFI Spec 36.1 Drag Boat Capsule Shell Material

SFI Spec 36.2 Drag Boat Capsule Canopy Material

SFI Spec 37.1 Roll Cage Nets

SFI Spec 38.1 Head and Neck Restraint Systems

SFI Spec 39.1 Stock Car Type Racing Seats (Custom)

SFI Spec 39.2 Stock Car Type Racing Seats (Standard)

SFI Spec 40.1 Abrasion Resistant Driver/Rider Suits

SFI Spec 41.1 Motorsports Helmet

SFI Spec 42.1 Steering Wheel Quick Disconnect/Release

SFI Spec 43.1 Drive Shafts

SFI Spec 44.1 Stock Car Wheel Spacers

SFI Spec 45.1 Roll Bar Padding

SFI Spec 45.2 Impact Padding

SFI Spec 46.1 Nitro-Methane Fuel Motorcycle Engine Restraint Devices

SFI Spec 48.1 Shift Boot Covers

SFI Spec 49.1 Top Fuel Rear Wing

SFI Spec 49.2 Top Fuel Front Wing

SFI Spec 52.1 Fueler Apron

SFI Spec 54.1 Non Flammable, Thermal Barrier / Fire Extinguishing Coatings

SFI Spec 56.1 NASCAR Dashboard and Other Carbon Fiber Components

SFI Spec 61.1 Turbochargers