SUNSTAR Powerdrive Countershaft Front Sprocket, pitch 428, Countershaft, teeth 16, Yamaha 08-15

• Sunstar is the largest OEM and aftermarket supplier of motorcycle and ARV sprockets in the manufacturing world for every major Japanese motorcycle builder since 1946
• Constructed of high-quality, aerospace grade 7075 T-6 aluminum
• Computer-designed weight reduction holes for the best combination of lightness, strength and stability
• Exclusive tooth-valley design provides 50% better chain contact area for the best power transfer possible
• Hard anodized coating for added durability and a superb finish
• Cleaning grooves added at bottom of tooth area

STEEL OEM REPLACEMENT REAR SPROCKETS

• Exclusive heat treatment and quenching process for strength and durability
• The strongest, longest lasting steel replacement sprocket available
• Constructed of the highest quality 1045 high-carbon steel

POWERDRIVE COUNTERSHAFT SPROCKETS

• Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance
• Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946
• Manufactured from case-hardened chromoly steel for unparalleled strength and durability
• Most race applications feature drilled weight-reduction holes (depends on application/tooth size)