Wiseco Racer Elite Series Piston Kit - RE812M07700 Yamaha YZ 250 / WR 250 2014-2017 Brand_Crossthread Cycle Chain Size 520 Mounting Position

Chain Size 520 Mounting Position Rear Tooth Count 43 Type Rear Color/Finish Silver Material 7075 T-651 Aluminum Product Name Sprocket Riding Style ATV Units Each

Designed to fit the contours of a rider's body

Only available for the rear and has the same longitudinal scoop pattern as the well-known E-10

Product Name Fender Bib Color/Finish Black Material Vinyl Mounting Position Rear Units Each Riding Style Street

Wiseco Racer Elite Series Piston Kit - RE812M07700 Yamaha YZ 250 / WR 250 2014-2017 Brand_Crossthread Cycle Chain Size 520 Mounting PositionFeatures R&D developed to provide dyno proven power gains Asymmetric skirt design for improved wear and even loading on major thrust skirt Precision fit ring; custom lapped compression ring for improved power 100% billet machined for superior strength to weight ratio and optimized fit High compression (14: 1 for 450cc, 14. 5: 1 for 250cc) for maximum torque and throttle response Dome design improves flame travel to maximize air fuel burn efficiency