BULLETIN NO. 2021-013 DATE: 11/23/2021
TO: ALL ISR Oval Affiliates
Subject: JUNIOR OVALS Re: Kitty Cat engines pistons.

BULLETIN NO. 2021-012 DATE: 11/11/2021
TO: ALL ISR Oval Affiliates
Subject: Revised! Pro Champ Class questions from drivers and builders on Pro-Champ engine packages. 2021-2022 Season

BULLETIN NO. 20/21-011 DATE: 10/25/2021
TO: ALL ISR Affiliates
Subject: Pro Stock Ice-Grass-Snow drag race rules DRIVE Section of Belt Drives

BULLETIN NO. 20/21-010 DATE: 10/13/2021
TO: ALL ISR Affiliates
Subject: Correct Testing Procedure ISR 120 Rev Limiter

BULLETIN NO. 21/22-04 DATE: 08/16/2021
TO: All ISR Affiliates
Subject: ISR RACE AND TECH DIRECTORS SCHOOL.

BULLETIN NO. 20/21-003 DATE: 08/10/2021
TO: All Drag Race Affiliates
Subject: 2021 / 2022 Drag Racing Driver Protection / Parachutes.

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International Snowmobile Racing

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International Snowmobile Racing

Contact Info

International Snowmobile Racing
1527 N Railroad Street.
Eagle River, WI 54521

Office: 262-335-2401
Fax: 715-479-8947