Wiseco Racer Elite Series Piston Kit - RE804M07800 For Gas Gas 250F 2021-2023 | KTM SX-F 250 / XC-F 250 2016-2022 | Husqvarna FC 250 2016-2022 Brand_Rivco Products Includes 18 mm O2 sensor

Includes 18 mm O2 sensor ports and 12 mm adapters

High-quality stickers

2023-2024 Sherco 250 SE Factory 2019-2020 Sherco 250 SE-R Racing 2019-2020

2018-2023 Honda GL1800 Gold Wing 2000-2011

channeled and louvered for both strength and custom looks

Wiseco Racer Elite Series Piston Kit - RE804M07800 For Gas Gas 250F 2021-2023 | KTM SX-F 250 / XC-F 250 2016-2022 | Husqvarna FC 250 2016-2022 Brand_Rivco Products Includes 18 mm O2 sensorFeatures 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