Pro Flat Stock Animal Rules **TECH PROCEDURES & GUIDELINES FOR ANIMAL CLASSES** Pro Flat Stock Animal (Gas or Alcohol) - 360lbs. / 10-16 Years of Age 1. This is a IKF/WKA Briggs & Stratton Animal Class.   The only approved motor is the Briggs Animal OHV. 2. May use any clutch (disc or drum) Notes: These engine tech specs can be changed at any time per tracks updates. All engine parts, except listed allowed changeable parts can be teched to a known stock Briggs Animal part. Notes: This is a stock engine class and if anything is altered or replaced other than what is listed in this engine spec sheet it does not fit the mandated requirements.  All Animal engines will be teched per IKF go/no-go gauges.
Pro Flat Stock Animal Rules **TECH PROCEDURES & GUIDELINES FOR ANIMAL CLASSES** Pro Flat Stock Animal (Gas or Alcohol) - 360lbs. / 10-16 Years of Age 1. This is a IKF/WKA Briggs & Stratton Animal Class.   The only approved motor is the Briggs Animal OHV. 2. May use any clutch (disc or drum) Notes: These engine tech specs can be changed at any time per tracks updates. All engine parts, except listed allowed changeable parts can be teched to a known stock Briggs Animal part. Notes: This is a stock engine class and if anything is altered or replaced other than what is listed in this engine spec sheet it does not fit the mandated requirements.  All Animal engines will be teched per IKF go/no-go gauges.