Top End

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long...

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jacketsForged piston with molybdenum coatingSpecial gasket kitEasy-to-follow step-by-step installation instructionsAll are bolt-on; no machining required Yamaha -- Zuma...

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jacketsForged piston with molybdenum coatingSpecial gasket kitEasy-to-follow step-by-step installation instructionsAll are bolt-on; no machining required Yamaha -- BW...

Billet Head Kit - Low Altitude - Matryx 9R - Polaris 04-318-L-900 Polaris -- Patriot 9R Pro-RMK Slash 2.75" w/155" Track -- (2023, 2024); Polaris -- Patriot 9R Pro-RMK Slash 2.75" w/165" Track -- (2024, 2023); Polaris -- Patriot Boost Indy 850 VR1 1.35"...

Billet Head Kit - High Altitude - Matryx 9R - Polaris 04-318-H-900 Polaris -- Patriot Boost RMK 850 KHAOS Matryx Slash 2.75" w/155" Track -- (2023, 2024); Polaris -- Patriot Boost Switchback 850 Assault 2" w/146" Track -- (2023); Polaris -- Patriot Boost...

High quality rings which allow for optimum heat transfer and sealing KTM -- 500 EXC-F -- (2020, 2018, 2019, 2017); KTM -- 450 EXC-R -- (2012); KTM -- 450 EXC-F Six Days -- (2019); KTM -- 500 EXC-F Six Days -- (2020); KTM -- 450 SX-F FE -- (2013, 2016);...

High quality rings which allow for optimum heat transfer and sealing KTM -- 150 SX -- (2012, 2013, 2011, 2015, 2009, 2010, 2014); KTM -- 144 SX -- (2008)