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Ultra-high-strength chromoly mounting bracket
2009-2013 Aprilia Mana 850 GT ABS
2020-2023 Indian Challenger Dark Horse
2023 Polaris Ranger XP Kinetic Ultimate
2017-2018 Polaris 800 PRO-RMK 163
Pro-X 28.SES4335-1 Steel Exhaust Valve and Spring Kit tires-wheels-wheel-spacers Ultra-high-strength chromoly mounting bracketMaterial: Steel Replaces the OEM valves & valve springs. Steel, nitrided valves for increased durability and less wear under extreme conditions. Stronger valve springs deal with the extra weight of the steel valves. Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm. Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM
