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Fit small and big block Chevy (except 348 and 409)
GM Gen 4 396/402/427/454 Big Block
Anti-balloon Plate for Added Strength
1967-1968 Buick Wildcat
Holley Carburetor Heli-Coil Kit RS00500303 Fit small and big blockUse 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
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