Bonneville Salt Flats Racing Classes

About Classes

Each class has specific rules regarding body style, engine type, fuel type, and safety requirements. All competition vehicles must pass technical inspection before being allowed to run.

All competition class records set at USFRA events are certified by SCTA Officials on site and are recognized as SCTA Competition Class records.

Specialty classes are unique to the USFRA World of Speed and are not recognized as competition class records.

The list below is for information only and may note be all-inclusive.

  • Streamliners: Fully enclosed vehicles designed for maximum aerodynamic efficiency

    Lakesters: Fully enclosed vehicles with exposed wheels and open cockpits

    Roadsters: Open-cockpit vehicles based on pre-1938 production body styles

    Competition Coupe/Sedan: Modified production or special construction vehicles

    Modified: Altered production vehicles with engine/drivetrain modifications

    Production: Minimally modified production vehicles

    Vintage: Pre-1948 body style vehicles

  • 130 MPH Club: Street-legal vehicles attempting to exceed 130 MPH

    150 MPH Club: Enhanced safety requirements for vehicles exceeding 150 MPH

    36 HP Challenge: Classic VW vehicles with 36 horsepower engines

    Barstool Class: Racing barstools with specific construction requirements

  • M: Modified motorcycles (unmodified frame)

    MPS: Modified Partial Streamliners

    A, APS: Special construction motorcycles

    Pushrod Classes: Including M-PBG, M-PBF, MPS-PBG, MPS-PBF

  • AA, A, B, C, D, E: Different displacement categories for various engines

    F, G, H, I, J: Smaller displacement categories

    XF, XO, XXF, XXO: Vintage engine categories

    BF, BG: Blown (supercharged) fuel/gas categories