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  • Assorted stepped blind tank bungs in mild steel – 1/4-20, 5/16-18, 3/8-16 thread sizes Assorted stepped blind tank bungs in mild steel – 1/4-20, 5/16-18, 3/8-16 thread sizes

    Stepped Blind tank bungs

    SBTB
    $4.25
    Stepped Blind Tank Bungs – 1018 Mild Steel These stepped blind threaded bungs—also known as top hat bungs—are ideal for welding into gas tanks, oil tanks, or any steel fluid container. Precision-machined from 1018 cold rolled mild...
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    $4.25
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  • GAS TANK WELD ON BUNGS WITH CROSSOVER

    Gas Tank Kit

    GTbk
    $10.00
    This gas tank kit gives you the peices needed to relocate your petcock and add a crossover. includes: Two 1/8" NPT bungs for crossovers and one 3/8" npt for a petcock
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  • Non-vented filler cap and bung kit with 1.25"-12 thread for custom tanks Compact aluminum non-vented filler cap with weld-in bung – steel, aluminum, stainless

    Filler Cap and Bung

    FCwB
    $25.75 - $29.75
    Non-Vented Filler Cap & Bung Kit – 1.25"-12 Thread, Compact Design The non-vented filler cap and bung kit is a compact and clean solution for gas tanks, oil tanks, and fluid reservoirs where external venting is preferred or required. Using our...
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    $25.75 - $29.75
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  • Side-by-side view of short and 2" long 1018 steel 22mm petcock bungs for bottom or angled side-mount tank installations 2" long 22mm petcock bung in 1018 cold rolled steel, designed for trimming and side-mount use on Frisco-style fuel tanks

    Late HD Style 22mm Petcock Bung

    22mmPK
    $9.00 - $17.50
    22mm Petcock Weld-In Bungs – 1018 Mild Steel (Short & Long Options) These 22mm weld-in petcock bungs are machined from solid 1018 cold rolled mild steel and tapped to accept standard 22mm x 1.0 thread motorcycle petcocks—perfect for...
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    $9.00 - $17.50
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  • 5" Pipe Bomb Oil Tank Kit with domed ends, filler bung, and NPT fittings Pipe Bomb Oil Tank Kit 5" Diameter – DIY Weld-Together Motorcycle Oil Tank Parts

    "Pipe Bomb" Oil Tank Kit 5" Dia

    PBOTK5
    $68.00 - $91.00
    Pipe Bomb Oil Tank Kit – 5" Diameter, DIY Weld-Together Oil Tank Build your own custom motorcycle oil tank with our Pipe Bomb Oil Tank Kit – 5" Diameter. This DIY weld-together kit includes everything you need to fabricate a fully functional...
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  • All four sizes of 1018 mild steel NPT bungs side-by-side, including 1/8", 1/4", and two 3/8" length options 1/8", 1/4", and both 3/8" NPT weld-in bungs displayed for size and length comparison – machined from 1018 cold rolled steel

    Steel NPT Bungs

    NPT 83
    $3.00 - $5.50
    1018 Mild Steel NPT Weld-In Bungs – Multiple Sizes Available These NPT weld-in bungs are precision-machined from solid 1018 cold rolled mild steel bar stock, then drilled and tapped to National Pipe Thread (NPT) standards for secure, leak-free...
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  • Stainless Steel Stepped Blind Tank Bungs in 1/4-20, 5/16-18, and 3/8-16 thread sizes 5/16-18 Stainless Steel Weld-In Bung – Blind Threaded

    Stainless Stepped Blind Tank Bungs

    SBTB-SS
    $4.95
    Stainless Steel Stepped Blind Tank Bungs – Top Hat Style for Fluid Containers These stainless steel stepped blind bungs—also known as top hat bungs—are perfect for fabricating or modifying gas tanks, oil tanks, or any stainless fluid...
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  • Vented aluminum filler cap with weld-in bung and brass vent fitting, 1.25"-12 thread, compact design for gas or oil tanks. Compact vented filler cap and weld-in bung kit with internal brass vent, available in steel, aluminum, or stainless steel.

    Filler Cap and Bung Vented

    FCBV
    $31.75 - $36.50
    Vented Filler Cap & Bung Kit – 1.25"-12 Thread, Compact Design This vented filler cap and bung kit is a compact, functional solution for gas tanks, oil tanks, or any fluid container that requires internal venting. Built around our trusted,...
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  • Custom motorcycle oil tank fabrication kit with steel tubing and end caps DIY motorcycle oil tank kit – Bung King F’ Bomb Oil Tank

    F' Bomb Oil Tank Kit 5"

    FBOTK5
    $55.00
    F' Bomb Oil Tank Kit – DIY Custom Motorcycle Fabrication Kit Build your own custom oil tank with the F’ Bomb Oil Tank Kit, designed for fabricators and riders who want a one-of-a-kind look for their motorcycle. This weld-together kit gives...
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  • Pipe Bomb Oil Tank Kit 6" Diameter – DIY Weld-Together Motorcycle Oil Tank Parts Custom motorcycle DIY oil tank kit – 6" diameter pipe bomb tank with domed caps

    "Pipe Bomb" Oil Tank Kit 6" Dia

    PBOTK6
    $75.00 - $98.00
    Pipe Bomb Oil Tank Kit – 6" Diameter, DIY Weld-Together Oil Tank Build your own custom motorcycle oil tank with our Pipe Bomb Oil Tank Kit – 6" Diameter. This DIY weld-together kit includes everything you need to fabricate a fully functional...
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  • F’ Bomb Oil Tank Kit with flanged end caps weld-together motorcycle oil tank Custom motorcycle oil tank kit with raised lip flanged end caps

    F' Bomb Flanged Cap Oil Tank 5" dia

    FBOTC5
    $62.50
    F' Bomb Oil Tank Kit with Flanged End Caps – Custom Motorcycle Fabrication Kit Take your custom build to the next level with the F’ Bomb Oil Tank Kit featuring flanged end caps. Designed for fabricators and riders who want both function and...
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  • Brass vented filler cap with 1.25"-12 weld-in bung, includes internal vent fitting and O-ring seal for oil or gas tank applications. Compact brass filler cap and steel weld-in bung with vented design, fits gas and oil tanks, 1.25"-12 thread, made in the USA.

    Brass Vented / Filler Cap and Weld in Bung

    BVF
    $52.00 - $55.00
    Brass Vented Filler Cap & Bung Kit – 1.25"-12 Thread Back by popular demand, we’re now offering a vented filler cap and bung kit featuring a solid brass cap. Built on the same trusted platform as our original design, this version combines...
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  • Oil tank filler cap and bung kit with three 1/8" NPT fittings – mild steel version Complete oil tank bung kit with filler cap, vent, feed, and return fittings – made in USA

    Oil Tank Bung Kit

    OTBK
    $32.50 - $38.50
    Oil Tank Filler Cap & Bung Kit with (3) 1/8" NPT Bungs – Complete Weld-In Kit Build your custom oil tank the right way with this all-in-one weld-in bung kit. Designed for both performance and clean looks, this kit provides every threaded...
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  • Custom weld on steel oil tank domed end cap in 5-inch or 6-inch size

    Domed Oil Tank Endcaps

    OTEC
    $16.50 - $20.50
    Domed Oil Tank Endcaps – 5" & 6" Steel End Caps for Custom Oil Tanks Our Domed Oil Tank Endcaps are the same high-quality end caps we’ve been using for years in our popular Pipe Bomb Oil Tank Kits, now available separately for your custom...
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    $16.50 - $20.50
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  • 5 and 6 Inch Mild steel tubing by the inch for DIY oil tank fabrication

    Oil Tank Tubing 5" and 6"

    OTtube
    $2.45
    Oil Tank Tubing by the Inch – 5" & 6" Mild Steel Build your own custom oil tank with our high-quality mild steel tubing, now available by the inch. This is the same 14-gauge tubing we use in our popular Pipe Bomb Oil Tank Kits, offered...
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    $2.45
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  • 14-gauge mild steel flat round endcap for oil tank fabrication Flat round steel oil tank endcap – 5 inch diameter

    Flat Round Oil Tank Endcaps

    FROTEC
    $4.00
    Flat Round Oil Tank Endcaps – 5" & 6" Mild Steel Build your own custom oil tank or reservoir with our Flat Round Oil Tank Endcaps, designed to provide a precise, clean finish for your fabrication project. Made from durable 14-gauge mild steel,...
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    $4.00
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  • Close-up of Bung King solid brass gas cap with knurled edge and O-ring seal. Solid brass Harley gas cap installed on a fuel tank, showing low-profile fit and knurled grip.

    Brass Gas Cap OEM HD Tank

    BGCOEM
    $69.95 - $139.90
    Brass Gas Cap – Fits Harley-Davidson Models from 1986 to Present Give your Harley-Davidson a custom look with our precision-crafted Brass Gas Cap. Designed to fit all HD models from 1986 to the present, this cap uses the OEM-style thread and O-ring...
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    $69.95 - $139.90
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  • Weld-on flanged round oil tank endcap for 5" or 6" tube

    Flanged Oil Tank Endcap

    FOTEC
    $6.00
    Upgrade your custom oil tank build with our Flanged Oil Tank Endcaps, the same style we use in our popular Flanged F-Bomb Oil Tank Kits. Each cap is precision-formed in our custom die plate, after being cut on our CNC laser to ensure a perfect fit for 5"...
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    $6.00
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  • brass vented filler cap and weld in bung  gas steel stainless aluminum brass vented filler cap and weld in bung  gas steel stainless aluminum

    Brass Vented / Filler Cap

    BVFC
    $39.00
    By popular demand we are now making a Brass Vented version of our common Filler Cap and Bung Can be used for gas tanks oil tanks or any other fluid container. These caps use the same standard bung we have used for years so if you want to upgrade to a...
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  • Stainless steel NPT weld-in bungs in 1/8", 1/4", and 3/8" sizes shown side by side for size comparison Stainless steel 1/8" NPT weld-in bung with 0.650" length and 5/8" outer diameter for custom fluid tank fabrication

    Stainless NPT Bungs

    NPTss
    $3.75 - $5.50
    Stainless Steel NPT Weld-In Bungs – Precision Machined These stainless steel NPT weld-in bungs are machined from solid stainless steel bar stock, then drilled and tapped to National Pipe Thread (NPT) specifications for a clean, reliable fit...
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  • Triumph oil feed bung in mild steel – weld-in style Triumph oil feed bung in mild steel – weld-in style

    Triumph Oil Tank Feed Bung

    TOFB
    $8.00
    Triumph Oil Feed Bung – Mild Steel or Aluminum Weld-In Bung Our Triumph Oil Feed Bung is designed specifically for classic Triumph motorcycle builders looking for a clean, factory-style solution. Each bung is precision-machined and tapped to accept...
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    $8.00
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  • stock oem gas cap weld in screw type filler bung neck gas tank steel Harley Davidson stock oem gas cap weld in screw type filler bung neck gas tank steel Harley Davidson

    OEM Gas Tank Bung

    OEMGTB
    $14.00
    This is an OEM style weld in gas tank bung, the same one used on all of the later Harley Davidson Tanks. Permits the use of factory or the vast variety of aftermarket replacement gas caps on the market. The bung is made of mild steel and has the threads...
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    $14.00
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  • RUBBER OIL AND GAS TANK MOUNT MOUNTING TABS WELD ON MILD STEEL TAB RUBBER OIL AND GAS TANK MOUNT MOUNTING TABS WELD ON MILD STEEL TAB

    Rubber Tank Mount Singles

    rtms
    $14.00
    These mounts are most commonly used for mounting gas tanks and oil tanks. The rubber isolaters help reduce the risk of cracks developing in your fluid container. They use the common flat side tank mount rubbers that can be found at any Harley dealer. The...
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    $14.00
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  • rubber isolator rubber mount tank mount universal with weld in bungs gas tank oil tank rubber isolator rubber mount tank mount universal with weld in bungs gas tank oil tank

    Rubber Tank Mount Kit

    RTMK
    $24.00 - $41.00
    Rubber Tank Mount Kit These mounts are most commonly used for mounting gas tanks and oil tanks. The rubber isolaters help reduce the risk of cracks developing in your fluid container. They use the common flat side tank mount rubbers that can be found at...
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  • 20mm weld-in petcock bung in 1018 steel for Triumph and BMW fuel tanks OEM-style 20mm petcock bung for welding into Triumph, BMW, and Euro bike tanks

    20mm Petcock Bung

    20MMPK
    $9.00
    20mm Petcock Weld-In Bung – 1018 Mild Steel (Triumph, BMW, Euro Style) This 20mm petcock bung is precision-machined from solid 1018 cold rolled mild steel and features a 20mm x 1.0 male thread, making it an ideal fit for Triumph, BMW and other...
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    $9.00
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