MK1003158 Drive Sprocket Set Front & Rear Product Info:

• Pitch 520
• Kit includes 1 Front 11 tooth drive sprocket, and 1 Rear 40 tooth drive sprocket; Sprocket Material consists of SAE 1023 structural carbon steel
• Hub Inner Diameter 21.7mm; Hub 2 (ID) 25mm; Hub Inner Diameter 64mm; Mounting Hole (ID) 10.5mm; Distance Between Mounting Holes (ID) 84mm

Included in This Kit:

(QTY 1) NICHE 519-CDS2323P Tooth Front Drive Sprocket

Substitute For OEM Part Numbers(s): 3221049, 3221043

(QTY 1) NICHE 519-CDS2314P Rear Drive Sprocket

Substitute For OEM Part Numbers(s): 42041-1556, 3222061

Compatible with the Following Vehicles:

Polaris Trail Boss 330: 2003-2013
Polaris Trail Boss 325 SE: 2001
Polaris Trail Boss 325: 2001-2002
Polaris Trail Boss 250: 1994
Polaris Trail Blazer 330: 2008-2013
Polaris Trail Blazer 250: 1994



WARNING: This product can expose you to chemicals including lead and phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov