Description
Acceleration performance hinges on gearing efficiency and chain durability—this RK kit delivers both. The 520 Quick Acceleration Race Kit pairs premium XW-ring sealed chain technology with race-optimized sprocket ratios, giving your YZF-R6/S the responsive throttle response and reliable power delivery serious riders demand. Whether you’re tuning for the track or maximizing street performance, this kit eliminates the guesswork of individual component sourcing.
- RK XW-ring sealed chain
- 520 quick acceleration gearing
- Steel alloy front sprocket
- Black case-hardened finish
- Race-spec durability
- Yamaha YZF-R6/S fitment
- Bolt-on installation
- MPN: 4067-039PX
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