Holley Main Jets (2) - 53 411992 1971-1976 Pontiac Firebird CID 455

1971-1976 Pontiac Firebird CID 455

Rectangular

Can also be used to flush debris from hose assemblies after an engine or transmission failure

Chevy Malibu 2016-20

Holley Main Jets (2) - 53 411992 1971-1976 Pontiac Firebird CID 455Set of two carburetor main jets. 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 performance fuel pumps, intake manifolds and