The TAPP Primary Clutch Rollers were designed for snowmobiles and UTVs. Please select the correct size and weight for your clutch configuration.
0mm Rollers - Outside Diameter 15.5 mm with a weight of 9.9 grams each.
+1mm Rollers - Outside Diameter 16.5 mm with a weight of 12.5 grams each.
+2mm Rollers - Outside Diameter 17.5 mm with a weight of 15.3 grams each.
+3mm Rollers - Outside Diameter 18.5 mm
+3.5mm Rollers - Outside Diameter 19 mm