This new Holley fuel bowl fits four barrel carbs with center hung floats. Bowl has porthole sight glass & NO SECONDARY ACCELERATOR PUMP. This a luminum bowl weighs ~7.9 oz. each compared to ~ 18 oz.
HOLLEY MODEL 4160 VACUUM SECONDARY BLUE NON STICK GASKET KIT 1850 3310
Holley R84010-1 Vacuum Secondary, 3060 Model With Warranty Tag
Holley Model 4180 Blue Gasket Kit For Vacuum Secondary 600 CFM Carbs
Holley Model 4011 Series Vacuum Secondary Linkage Rod.
Holley Model 4180 Series Vacuum Secondary Linkage Rod.
Holley Model 4175 Series Vacuum Secondary Linkage Rod.