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Speedway offers premium-quality weld-in bungs for a variety of uses. They're CNC-machined from solid aluminum and are great for oil or fuel tanks, radiators, valve covers, manifolds, and rear axle housings. Speedway weld bung fittings are quality built and affordable on any budget. Check out Speedway weld bung fittings today right here at Speedway Motors. 

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Steel Tube Ends Weld Bungs for 1 Inch I.D. Tube, 3/4-16 LH and RH
Part # 9108334
$26.99
$27.98

Universal Fit, 0.975" Tube O.D., 3/4-16 Thread Pitch

On Sale
Quick View
Steel Tube Ends Weld Bungs for 1 Inch I.D. Tube, 5/8-18 LH and RH
Part # 9108299
$25.99
$26.98
(1)

Universal Fit, 0.975" Tube O.D., 5/8-18 Thread Pitch

On Sale
Quick View
Threaded NPT Steel and Aluminum Weld Bung Fitting Master Kit
Part # 9108518
$199.99
$209.77

Universal Fit

Ships Free
On Sale
Quick View
Male Steel and Aluminum 37 Degree AN Flare Weld Bung Master Kit
Part # 91508517
$121.99
$209.99

Universal Fit

On Sale
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Steel Tube Ends Weld Bung for 1 Inch I.D. Tube, 3/4-16 RH
Part # 91002965
$13.99
(14)

Universal Fit, 1.368" Diameter Big End, Steel

Quick View
Steel Tube Ends Weld Bung for 1 Inch I.D. Tube, 11/16-18 RH
Part # 91002969
$12.99
(21)

Universal Fit, 1.375" Diameter Big End, Steel

Quick View
Steel Tube Ends Weld Bung for 1 Inch I.D. Tube, 5/8-18 RH
Part # 91002967
$13.99
(15)

Universal Fit, 1.375" Diameter Big End, Steel

Quick View
Steel Tube Ends Weld Bung for 1 Inch I.D. Tube, 11/16-18 LH
Part # 91002970
$12.99
(9)

Universal Fit, 1.373" Diameter Big End, Steel, Natural

Quick View
18mm O2 Sensor Bung and Plug
Part # 9353735
$15.99
(9)

Universal Fit, .50" Overall Thickness, Hex Wrench Type

Rebates Available
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Steel Tube Ends Weld Bung for 1 Inch I.D. Tube, 3/4-16 LH
Part # 91002966
$13.99
(8)

Universal Fit, 1.368" Diameter Big End, Steel

Quick View
Steel Tube Ends Weld Bung for 1 Inch I.D. Tube, 5/8-18 LH
Part # 91002968
$12.99
(9)

Universal Fit, 1.38" Diameter Big End, Steel, Natural

Quick View
Threaded Aluminum Weld Bung Fitting, 1/4 Inch NPT Female
Part # 6176802
$6.99
(4)

Universal Fit, 1/4" NPT Female Thread Pitch, Aluminum

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Threaded Aluminum Weld Bung Fitting, 1/2 Inch NPT Female
Part # 6176804
$10.99
(3)

Universal Fit, 1/2" NPT Female Thread Pitch, Aluminum

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Left & Right Hand Steel 11/16 Inch Weld Bungs Kit
Part # 91603027
$31.99
$32.96
(3)

Universal Fit, 1.375" Diameter Big End, Steel

On Sale
Video Available
Quick View
Threaded Aluminum Weld Bung Fitting, 3/8 Inch NPT Female
Part # 6176803
$8.99
(3)

Universal Fit, 3/8" NPT Female Thread Pitch, Aluminum

Quick View
Male Aluminum 37 Degree AN Flare Weld Bung Fitting, -16 AN
Part # 6177216
$18.99

Universal Fit, -16 AN, Aluminum, Natural

Quick View
Male Steel 37 Degree AN Flare Weld Bung Fitting, -6 AN
Part # 6177106
$5.99
(3)

Universal Fit, -6 AN, Steel

Quick View
Male Steel 37 Degree AN Flare Weld Bung Fitting, -10 AN
Part # 6177110
$7.99
(2)

Universal Fit, -10 AN, Steel

Quick View
Threaded Steel Weld Bung Fitting, 1/4 Inch NPT Female
Part # 6176702
$5.99
(9)

Universal Fit, .67" Overall Height, Steel, Natural

Quick View
Male Aluminum 37 Degree AN Flare Weld Bung Fitting, -12 AN
Part # 6177212
$13.99
(2)

Universal Fit, -12 AN, Aluminum

Quick View
Stainless Oxygen Sensor Weld Bung
Part # 9353736
$14.99
(6)

Universal Fit, .50" Overall Thickness, Hex Wrench Type

Rebates Available
Quick View
Male Aluminum 37 Degree AN Flare Weld Bung Fitting, -10 AN
Part # 6177210
$9.99
(1)

Universal Fit, -10 AN, Aluminum, Natural

Quick View
Threaded Steel Weld Bung Fitting, 3/8 Inch NPT Female
Part # 6176703
$6.99
(8)

Universal Fit, 3/8" NPT Female Thread Pitch, Steel

Quick View
Male Steel 37 Degree AN Flare Weld Bung Fitting, -8 AN
Part # 6177108
$6.99
(4)

Universal Fit, -8 AN, Steel

Quick View
Male Steel 37 Degree AN Flare Weld Bung Fitting, -12 AN
Part # 6177112
$11.99

Universal Fit, -12 AN, Steel

Quick View
Male Aluminum 37 Degree AN Flare Weld Bung Fitting, -8 AN
Part # 6177208
$8.99
(1)

Universal Fit, -8 AN, Aluminum, Natural

Quick View
Threaded Aluminum Weld Bung Fitting, 3/4 Inch NPT Female
Part # 6176806
$12.99

Universal Fit, 3/4" NPT Female Thread Pitch, Aluminum

Quick View
Threaded Steel Weld Bung Fitting, 1/2 Inch NPT Female
Part # 6176704
$7.99
(4)

Universal Fit, 1/2" NPT Female Thread Pitch, Steel

Quick View
Threaded Steel Weld Bung Fitting, 1/8 Inch NPT Female
Part # 6176701
$5.99

Universal Fit, 1/8" NPT Female Thread Pitch, Steel

Quick View
Threaded Aluminum Weld Bung Fitting, 1/8 Inch NPT Female
Part # 6176801
$6.99

Universal Fit, 1/8" NPT Female Thread Pitch, Aluminum

Quick View

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18mm x 1.50 (2)
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-8 AN (2)
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0.975" (7)
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