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 cylindersNickel Silicon Carbide plated for long lifeBig bore cylinders do not require machine workMade in the U.S.A. Polaris -- RZR XP 1000 4x4 --...

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 -- YZ...

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 Honda --...

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 -- YZ...

Kibblewhite Top End Service Kit 82-83900 Polaris -- Ranger XP 900 EPS 4x4 -- (2014, 2019, 2017, 2018, 2016, 2015); Polaris -- RZR 900 4x4 -- (2018, 2019, 2015, 2017, 2016, 2020)

Kibblewhite Top End Service Kit 82-83950 Polaris -- RZR S 1000 EPS 4x4 -- (2018, 2019, 2017, 2016, 2020, 2021); Polaris -- RZR Trail S 1000 Ultimate 4x4 -- (2022); Polaris -- RZR Trail S 1000 Premium 4x4 -- (2022, 2021); Polaris -- RZR XP 1000 4x4 --...

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 -- YZ...

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 Kawasaki -- KX...

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 Honda --...

Forged pistons - coated piston skirts with measurement window and S&S logoForged pistons have larger than stock valve pockets and accepts up to 2.00" valvesKit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS head,...

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 Suzuki -- RM-Z...