Graves motorsports lower 50mm velocity stacks R1 2009-2014 ABY-09R1-REVB Complete Clutch Kit This radiator cap is designed

This radiator cap is designed to keep your engine from overheating by maintaining a higher pressure inside the cooling system thus increasing the boiling point of your coolant

Diamond Shaped Silencer with tapered entrance (Carbon Fiber Silencer Body with Titanium End Cap) designed to match the GSXR’s body line

2019-2022 Yamaha YZ 250 F - - 2019-2022 Yamaha YZ 450 FX - - 2018-2022 Yamaha YZ 450 F

OEM color-matched for direct replacement

GB Racing covers are FIM approved and proven at the highest levels worldwide

Graves motorsports lower 50mm velocity stacks R1 2009-2014 ABY-09R1-REVB Complete Clutch Kit This radiator cap is designedGraves Motorsports Yamaha R1 Lower 50mm Velocity Stacks for the 2009 2014 models. These 50MM Lower Velocity Stacks with Pivots were developed by Graves Motorsports for your Cross Plane Crank R1. This item is the "Lower" stack assembly only (see item # ABY 09R1 REVT to purchase the top add on). This stack kit improves power throughout the entire RPM range. The staggered tops allow the cylinders to share the available volume of air in the R1s air box