Holley Carburetor Heli-Coil Kit 4704021-10 spring and cup assembly for

spring and cup assembly for number 1409/ number 1410

1970-1972 GMC C25/C2500 Pickup CID 402 GAS

and Mounting Screws

60-3/4 in Wide

5/15 Gallon Utility Jugs

Holley Carburetor Heli-Coil Kit 4704021-10 spring and cup assembly forUse to repair stripped fuel bowl screw threads in a carburetor main body. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include