Holley Alcohol Jets (2) - 144 351013 Large 4-inch 50 HD Muffler

Large 4-inch 50 HD Muffler Internals

1979-1992 Dodge D150

22000 GVW rated

Extra long studs are available

Our Deck plate piston stop tool is designed for use in engines where the heads are off

Holley Alcohol Jets (2) - 144 351013 Large 4-inch 50 HD MufflerSet of two alcohol 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 engine