Fuel System

Allstar Fuel Cell Cap and Bung JAZ 6-Bolt Black ALL40137 Billet aluminum neck looks good and provides a positive seal. The filler neck is raised to help prevent dirt and debris from falling into cell causing fuel system contamination while the large 3"...

Allstar Fuel Cell Cap and Bung RCI/JAZ 12-Bolt Black ALL40136 Billet aluminum neck looks good and provides a positive seal. The filler neck is raised to help prevent dirt and debris from falling into cell causing fuel system contamination while the large...

Allstar Throttle Return Spring Bracket with Stop Black ALL54185 Black anodized aluminum bracket for 4150 series carburetor fastens to the carburetor mounting studs and features a larger opening specifically designed for use with mechanical linkage found...

Allstar Adjustable Idle Kit ALL54154 Need cold start help to keep your race car running and get it warmed up? This kit allows you to adjust your idle speed from inside the cockpit! All items mount inside the foot box to stay clean and away from the carb...

Allstar Fuel Cell Cap and Bung JAZ 6-Bolt ALL40134 Billet aluminum neck looks good and provides a positive seal. The filler neck is raised to help prevent dirt and debris from falling into cell causing fuel system contamination while the large 3" opening...

Allstar Fuel Cell Cap and Bung RCI/JAZ 12-bolt ALL40133 Billet aluminum neck looks good and provides a positive seal. The filler neck is raised to help prevent dirt and debris from falling into cell causing fuel system contamination while the large 3"...

Allstar Fuel Log w/ 8an Inlet Fitting ALL26153 Fuel logs efficiently provide fuel to most 4150 series Holley style carburetors with 7/8"-20 inlet threads and standard metering blocks. Choose log with a -8AN male inlet fitting or -8 barbed inlet fitting...

Allstar Fuel Log with Pushlock Inlet Fitting ALL26152 Fuel logs efficiently provide fuel to most 4150 series Holley style carburetors with 7/8"-20 inlet threads and standard metering blocks. Choose log with a -8AN male inlet fitting or -8 barbed inlet...

Allstar Carb Spacer 4500 Open 2.00in ALL25992 Specially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower-robbing heat transfer and increase the distance from the bottom of the carburetor to the manifold...

Allstar Carb Spacer 4150 Tapered 4 Hole 1.00in ALL25986 Specially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower-robbing heat transfer and increase the distance from the bottom of the carburetor to the...

Allstar Carb Spacer 4150 Open 2.00in ALL25982 Specially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower-robbing heat transfer and increase the distance from the bottom of the carburetor to the manifold...

Allstar Shear Plate 4500 2.125 Bore ALL25973Carb plates with built-in shear design help maximize performance on race engines with a large amount of cam overlap by creating a dam under the throttle plates, helping to build low pressure while improving...