BULLETIN NO. 17-18-008 DATE: 10/03/2017
TO: ALL ISR Sno Cross Affiliates
Subject: All Stock Sno Cross Gusseting/Reinforcement

BULLETIN NO. 16-17-001 DATE: 01/11/2017
TO: All ISR Sno Cross Afiliates
Subject: Carbon fiber and titanium is prohibited

BULLETIN NO. 15-16-016 DATE: 11/14/2016
TO: All Oval Affiliates
Subject: Champ 440 Class engine rules #7

BULLETIN NO. 15-16-003 DATE: 10/05/2016
TO: All ISR Racing Affiliates
Subject: FOUR-STROKE CLASSIFICATIONS IN SNOW DRAG RACING

BULLETIN NO. 15-16-002 DATE: 10/05/2016
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications in Drag Racing

BULLETIN NO. 15-16-001 DATE: 10/05/2016
TO: All ISR Racing Affiliates
Subject: Four-stroke classifications

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International Snowmobile Racing, Inc.

Copyright © 2017
International Snowmobile Racing, Inc.

Contact Info

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

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