Extensive R&D on all applications to provide high-performance components that last longer than OEMBlack Diamond valves are one-piece forgings made from 21-4N high-performance stainless steelTrademarked Black Diamond treatment provides a stem that has a longer life capacityKeepers not included; use O..
Extensive R&D on all applications to provide high-performance components that last longer than OEMBlack Diamond valves are one-piece forgings made from 21-4N high-performance stainless steelTrademarked Black Diamond treatment provides a stem that has a longer life capacityKeepers not included; use O..
Extensive R&D on all applications to provide high-performance components that last longer than OEMBlack Diamond valves are one-piece forgings made from 21-4N high-performance stainless steelTrademarked Black Diamond treatment provides a stem that has a longer life capacityKeepers not included; use O..
Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce frictionWhite Diamond® valves feature one-piece construction and hard chrome stemsMust use Kibblewhite® Lightweight Valve Spring Kits when installing..
Some Twin Cam heads using 7.0mm valves may crack in the port end of the valve guide bossThese valves have .005" oversize stems to re-establish the correct valve stem to valve guide clearance if the head has crackedValve guides must be reamed/honed to set correct clearance, the a valve job performed ..
Premium valve seats for applications using steel valvesA specific combination of alloys allowed a creation of a high density, iron-based valve seat with uniform hardness, exceptional thermal qualities and high resistance to wear and recession caused by microweldingOnly by using the latest developmen..