Evans Hydraulic Blue Drumhead, 8 Inch 786417162189 They are connected to the

They are connected to the clutch master cylinder and transfer the applied pressure to release the clutch

Combo Pack

458-794519-6-50 Features: -Dia

68" (Weight: 7

Adds an additional  2 - 3 quarts over the stock pan

Evans Hydraulic Blue Drumhead, 8 Inch 786417162189 They are connected to the8" drum head with a thin layer of oil between two plies of film to suppress unwanted overtones Two plies offer consistency and durability for longer playing time A fat, deep and short sound pioneered by early 70's rock and roll Also available in a glass (clear) and a black version All Evans drum heads are designed, engineered and manufactured in the USA Hydraulics feature two plies that sandwich a thin layer of oil and give the fat, deep, and short