BLACK DIAMOND EXHAUST VALVE HD TWIN CAM 88-103" 05-10 fitment_Polaris-UTV_RZR_2017 with a flat top to

with a flat top to prevent "bar roll" during aggressive cornering

Fuel tank removal

You never know what the weather's going to be like

these RZR PRO XP 4 upper doors will have you prepared

while at the same time giving you a better ride over stock

BLACK DIAMOND EXHAUST VALVE HD TWIN CAM 88-103" 05-10 fitment_Polaris-UTV_RZR_2017 with a flat top toAll KPMI Black Diamond stainless steel valves are impregnated by a special German process to a depth of . 002, with a surface build up of . 0002. This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Black Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics.