DescriptionHusqvarna® Various 510-610cc 1983 to 2001 Full list belowTX510 1983-88  /  TE510 1983-90    /  TC510  1987-90WXE610 1991-96  / WMX610 1991  / TW610 1992-98  / TC610 1992-98  / WXC610 1992-96  / SM610 2000-2001•All 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. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond™ Valves are lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.TypeExhaustMaterialBlack Diamond™ StainlessCoatingBlack NitronegQuantityPkg. of 1Head Diameter30.00mm / 1.181″Stem Diameter6.0mm / 0.2347″Tulip29ºOverall Length3.970″RemarksStandard