JT Sprockets Front Steel Countershaft Sprocket 12 Tooth 12T 420 Chain JTF546.12 Aprilia-RSV4-R-2011 CV cage constructed of 4340

CV cage constructed of 4340 chromoly steel

1969 Ski-Doo Olympique 320SS

2016 Ski-Doo Summit 800R Sport PTEK

1993 Arctic Cat Prowler 440 L/C

Replaces OEM # 529036370

JT Sprockets Front Steel Countershaft Sprocket 12 Tooth 12T 420 Chain JTF546.12 Aprilia-RSV4-R-2011 CV cage constructed of 4340JT Sprockets Front Steel Countershaft Sprocket 12 Tooth 12T 420 Chain JTF546. 12 JT Steel Sprockets are manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets. The JT Steel Sprockets range now contains over 2,500 parts for all motorcycles and ATVs. JT Sprockets is the world's leading manufacturer of aftermarket sprockets, constantly raising the industry's