This is a cosmetic screw / hardware kit for the Holley 4150 series  4 barrel carburetors including models 4776, 4777, 4778, 4779, 4780 9380 and more.   Fits 600, 650, 700, 750, 800, 825, 830, 850, 950, and 1000 cfm carburetors. if your carburetor has front and rear metering blocks and uses the 2 1/2 length bowl screws then these would be the correct screws.

This kit includes:

[1] Qty 8 of the  2 1/2 hex head bowl screws

[2] Qty 2 of the standard squirter screws

[3] Qty 8 of the 30cc accelerator pump diaphragm cover screws

[4] Qty 6 of the main body to base plate screws

[5] Qty 2 of the large style needle and seat lock screws

[6]  Qty 2 of the needle and seat lock nuts

[7]  Qty 2 of the brass sight plugs

[8]  Qty 4 of the standard Holley mixture screws

[9]  Qty 2 of the brass squirter check needles

[10]  Qty 4 of the float bracket screws

These come bulk packaged in zip lock bags and shipped in a box.

These can also be used on most other brands  4150 including Quick Fuel as well as the early BG claw carburetors.

Be sure and check our store for more carburetor and fuel systems service parts.We have been providing tech and working with the modular style carburetors since the early 90's.

BG,Barry Grant,Demon,Road Demon,Speed Demon,Mighty Demon,Race Demon and Holley are all registered trademarks of HPI to which we have no affiliation.These parts/components are not manufactured by HPI.