Holley original fuel bowl slotted headscrews for a 4150. You will receive 8 screws 2.5" Long. NOT SHOW may have a few marks on them.
Holley 4160 4-Barrel Carburetor Slotted Head Fuel Bowl Screws Set of 8
Holley Slotted Head Choke Cap Retainer Mounting Screws - Three Screws.
Holley Hex Head Fuel Bowl Screws Set of 8 with Gaskets 4160 4-Barrel Carburetor
Holley Slotted Fuel Bowl Screw 2.5" Long
Self Ejecting Dzus Button 7/16 black SLOTTED Head .550 5pk Fasteners QuarterTurn