Black Diamond valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; all valves are Black Diamond unless otherwise noted in the chart
White Diamond valves feature one-piece construction and hard chrome stems; White Diamond valves are noted in the chart
All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 4-5% nickel content for wear resistance
Spring sets contain springs and titanium upper collars; lower collars included as required; keepers not included
Valves and guides are sold each; spring kits come complete for one motor
