Holley Main Jets (2) - 84 NG21 Elongated (dual pattern) mounting holes

Elongated (dual pattern) mounting holes allow fitment on intakes with square flange (Holley 4150 style) or large flange (Holley Dominator style)

Engine Side

Collector Dimensions: 8

Vehicle Applications: 2013-2018 Nissan Altima SedanVehicle Applications: 2013-2018 Nissan Altima Sedan

Holley Main Jets (2) - 84 NG21 Elongated (dual pattern) mounting holesSet 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