BLACK DIAMOND EXHAUST VALVE HD SPORTSTER 57-69 UTV Vehicles>>Polaris you have a mounting option

you have a mounting option to fit your needs

so we’ve put the common sizes (5/32”

so that you can skip that trip to the hardware store

increased power transfer

The Cruiser goggle is stylish and ideal for riding

BLACK DIAMOND EXHAUST VALVE HD SPORTSTER 57-69 UTV Vehicles>>Polaris you have a mounting optionAll 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.