Holley Main Jets (2) - 71 RS004C18 Flowmaster's American Thunder Cat-back exhaust

Flowmaster's American Thunder Cat-back exhaust system for the 2019 Ram 1500 Trucks with 5

11/32 in Valve

Steel Flush Head Fastener 7/16" x

bypass desing provides the ultimate

IMCA / Wide 5 Spindle Nuts

Holley Main Jets (2) - 71 RS004C18 Flowmaster's American Thunder Cat-back exhaustSet 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