340 & 440 6-Pak Holley Carburetor Vacuum Secondary Diaphragm Spring Tuning Kit

$21.95

Each.

Loading...

Description

340 and 440 6-Pak Holley Front and Rear Carburetor Vacuum Secondary Diaphragm Spring Tuning Kit. For Custom Tuning of the Vacuum Operated end Carbs for Faster or Slower opening rates. (7) Springs of different rates and Instructions included in Package. One Kit does One Carburetor. 2 Kits required.