Our Forty 7C Ski-Doo snowmobile seat model has been developed by renowned expert Carl Kuster. This snowmobile seat gives a better freedom when you ride on rough terrain. Featuring a narrower shape than the Summit model, the Forty 7C is also lighter and lower, and is fully compatible with the REV Gen4. Developed by deep snow expert Carl Kuster. Provides even greater freedom of movement. Lower, narrower and lighter than stock Summit seat. Integrated grip areas. - REV Gen5, Neo, REV Gen4 16"