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Harley CV Carburetor Vacuum Piston Springs (3 Long, 4 Short)
The longer versions measure just under 6", and the shorter versions just over 5". We don't know the precise usage for each spring size, and we are not CV specialists, but we imagine a shorter spring size would result in a faster diaphragm rate.
All 7 are included.
050520 D-2 (20 04 30, 4-3)