Suzuki

A Group: 8-20 HP (10 spline) Hub pressed in.    
B Group: 20-30 HP (10 spline) Hub pressed in    
C Group: 35-65 HP (13 spline) Hub pressed in   Stainless Steel: (13 spline) Hub Pressed In
D Group: 60-140 HP (13/15 Spline) Hub pressed in   Stainless Steel: (13/15 Spline) Hub Pressed In
E Group: 150-300 HP (15 spline) Polamax/Flex Hub   Stainless steel: (15 spline) HUB Polamax/Flex.