Holley Main Jets (2) - 60 o2 Gauge 2015-2019 GMC Sierra 3500 HD

2015-2019 GMC Sierra 3500 HD 97

1964-1967 Oldsmobile F85 CID 376 CC 6162 6

Low friction Teflon(R) lined self lubricating 1/2 inch bearing on both ends

230 cc Intake

Natural Rubber

Holley Main Jets (2) - 60 o2 Gauge 2015-2019 GMC Sierra 3500 HDSet 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