Holley Main Jets (2) - 84 NG21 Stock Car type and square

Stock Car type and square window nets for full-bodied cars

LS6 3-Bolt applications

5" Paddle blade electric fan kits

1974-1979 Oldsmobile Cutlass

Holley Main Jets (2) - 84 NG21 Stock Car type and squareSet 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