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* Slip-on mufflers represent the first step in the exhaust tuning process
hot or cold conditions
control and reliability
Complete Kit: Includes 525 SX3 chain (112 links)
Vortex Chain/Sprocket Kit Black Yamaha YZF-R1 2015-2025 CK6378 Fa-319/2 Join s1000rrforumElevate your Yamaha YZF R1 (2015 2025) with the Vortex Chain and Sprocket Kit Black (CK6378), engineered for track precision and reliable performance. This 520 RX3 kit features a 16T steel front sprocket, a 41T laser cut steel rear sprocket, and a black RX3 120 link chain, retaining stock gearing for balanced power delivery. Made in Japan with a 9,400 ft lbs tensile strength, the chain ensures durability under intense track conditions. Ready to