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IMSA Manuals & User Guides

The International Motor Sports Association (IMSA) provides comprehensive schedules, rules, technical guidelines, and manuals for professional sports car racing circuits.

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IMSA manuals

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IMSA Technical Bulletin #26-04: 2026 BSSM Updates for GTP, GTD, GTD-PRO

Technical Bulletin

IMSA Competition announces updates to the 2026 Bosch Scrutineering System Manual (BSSM) for GTP, GTD, and GTD-PRO classes, detailing changes in versions 1.5.7 and 1.5.8, including sensor updates, wiring diagrams,…

Tire Rack.com Battle On The Bricks - 2025 IMSA Event Schedule and Regulations

Event Guide

Official schedule and supplementary regulations for the Tire Rack.com Battle On The Bricks event at Indianapolis Motor Speedway, September 18-21, 2025, featuring IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Lamborghini…

IMSA 2026 Driver Application Guide and Requirements

Application Guide

Official guide for applying for a 2026 IMSA Driver Membership and Credential, detailing MERG account setup, physical requirements, ImPACT tests, FIA licensing, and application deadlines.

2025 IMSA Mustang Challenge Sporting Regulations

Sporting Regulations

Official 2025 IMSA Sporting Regulations and Series Supplementary Regulations for the Mustang Challenge, detailing rules, procedures, and requirements for competitors and participants.

2026 IMSA WeatherTech SportsCar Championship Technical Regulations

Technical Regulations

Official 2026 technical regulations for the IMSA WeatherTech SportsCar Championship, covering GTD and GTD-PRO classes. Details car specifications, safety requirements, and competition rules sanctioned by IMSA.

IMSA Michelin Pilot Challenge Technical Bulletin #25-25: Indianapolis Event Balance of Performance

Technical Bulletin

Official IMSA Technical Bulletin #25-25 detailing the Balance of Performance (BoP) adjustments for the Michelin Pilot Challenge series, specifically for the Indianapolis Event, covering GS and TCR car categories with…

IMSA / IMS Photo Meeting 2025: Schedule and Guidelines

Guide

Official schedule and essential rules for photographers attending the IMSA / IMS Photo Meeting from September 18-21, 2025, at Indianapolis Motor Speedway. Includes registration, photo vest distribution, safety guidelines, and…

Motul Petit Le Mans 2025: Official Schedule & Supplementary Regulations

Official Schedule and Supplementary Regulations

Comprehensive official schedule and supplementary regulations for the 2025 Motul Petit Le Mans event at Michelin Raceway Road Atlanta, covering IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Porsche Carrera Cup,…

IMSA Technical Bulletin #25-78: Spin Test Data Submission Deadlines - Motul Petit Le Mans

Technical Specification

Details the requirements and deadlines for submitting Torque Sensor Offset Test (spin test) data for the Motul Petit Le Mans event, as per IMSA WeatherTech Sportscar Championship regulations.

Tire Rack.com Battle On The Bricks 2025: Official Schedule & Regulations - Indianapolis Motor Speedway

event schedule

Comprehensive schedule and supplementary regulations for the Tire Rack.com Battle On The Bricks 2025 event at Indianapolis Motor Speedway, featuring IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Lamborghini Super Trofeo,…

2025 IMSA Battle on the Bricks: Pre-Event & Technical Inspection Schedule

Event Schedule

Official pre-event and technical inspection schedule for the 2025 IMSA Battle on the Bricks at Indianapolis Motor Speedway, covering GTP, LMP2, GTD PRO, and GTD classes.

Tire Rack.com Battle On The Bricks IMSA 2025: Provisional Schedule & Regulations

Event Schedule and Regulations

Official provisional schedule and supplementary regulations for the Tire Rack.com Battle On The Bricks IMSA event at Indianapolis Motor Speedway, September 18-21, 2025. Includes event details for WeatherTech Championship, Michelin…