Function: Replace worn diaphragms. Make sure the vacuum cleaner functions properly. With diaphragm check ball and auxiliary throttle plate.
For Holley Vacuum Secondary Diaphragm 135-4 For 4150,4160&4165 Series Carburetor
For Holley Vacuum Secondary Diaphragm Fits R1849, R1850, R3310etc
Holley Vacuum Secondary Nitrous wide open throttle switch
AED 4160 Holley Vacuum Secondary Carburetor Rebuild Renew kit 600-870 -NEW-3310
