These flywheels are the exact same parts used in S&S production engines
Since these are precision machined for perfect fit
2017-2019 Polaris Sportsman 1000 XP Hunter Edition
1979-1981 Yamaha DT175
1987-1988 Ski-Doo Formula MX
Bilstein 33-174525 BIL Steering Dampers electrical-lighting-stator-systems These flywheels are the exactChevrolet Avalanche 2500 2006 2002, Silverado 1500 HD 2003 2001, Silverado 1500 HD 2006 2005, Silverado 2500 2004 1999, Silverado 2500 HD 2010 2001, Silverado 2500 HD Classic 2007, Silverado 3500 2006 2001, Silverado 3500 Classic 2007, Silverado 3500 HD 2010 2007, Suburban 2500 2013 2000, GMC Sierra 1500 HD 2003 2001, Sierra 1500 HD 2006 2005, Sierra 2500 2004 1999, Sierra 2500 HD 2010 2001, Sierra 2500 HD Classic 2007, Sierra 3500 2006 2001, Sierra