This gasket is used on 4160-4175 Vacuum Secondary Carburetors.
Holley Vacuum Secondary Tops For Ford 427 Dual Four Carbs ( Pair )
Holley Vacuum Secondary Nitrous wide open throttle switch
AED 4160 Holley Vacuum Secondary Carburetor Rebuild Renew kit 600-870 -NEW-3310
HOLLEY VACUUM SECONDARY & MUSCLE CAR NYLON THROTTLE SHAFT BUSHING KIT
For Holley Vacuum Secondary Diaphragm 135-4 For 4150,4160&4165 Series Carburetor
