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  • thin low profile universal weld on mounting bung kit thin low profile universal weld on mounting bung kit

    Thin Universal Mount Set

    TUMK
    $16.00
    Thin Universal Mount Kit These are similar to our universal mounts but by utilizing different hardware we are able to shrink down the overall height these are used anytime a lower profile mount is desired. A kit includes: 2 ea Threaded bung tapped to...
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  • Spring seat front pivot kit with stainless shoulder bolts, bronze Oilite bushings, weld-on tabs, and 1.125" x 0.75" steel bung. Complete weld-on front pivot assembly for sprung motorcycle seat, includes CNC-cut tabs, shims, bushings, and stainless hardware.

    Sprung Seat Front Pivot

    SSFP
    $27.00
    Spring Seat Front Pivot Kit – Weld-On with Stainless Shoulder Bolts & Oilite Bushings Upgrade your motorcycle's sprung seat setup with our Spring Seat Front Pivot Kit – engineered for smooth, stable performance and long-lasting durability...
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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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  • Straight motor mount kit for Harley – includes bullet bung, round bar, and head bungs Straight weld together DIY motor mount kit chopper upper top motor mount evolution twin cam shovelhead panhead

    Straight Motor Mount Kit

    SMMK
    $20.00
    Straight Motor Mount Kit – Custom Chassis to Head Support for V-Twin Builds This Straight Motor Mount Kit includes all the high-quality components you need to fabricate a clean, strong motor mount for your V-Twin motorcycle. Designed for custom...
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  • Curved motor mount kit for Harley – includes bullet bung, round bar, and head bungs curved weld together top motor mount upper mount mild steel bung harley panhead shovelhead evolution twin cam chopper bobber

    Curved Motor Mount Kit

    CMMK
    $25.00
    Curved Motor Mount Kit – Custom Chassis to Head Support for V-Twin Builds This Curved Motor Mount Kit includes all the high-quality components you need to fabricate a clean, strong motor mount for your V-Twin motorcycle. Designed for custom...
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  • Jockey Shift Motor Mount Kit components for Harley-Davidson Close-up of bronze bushing pivot for jockey shift mount on Pan Head

    Jockey Shift Motor Mount Kit

    JSMMK
    $37.50
    Jockey Shift Motor Mount Kit – Harley Davidson Models Build your own custom jockey shift setup with our Jockey Shift Motor Mount Kit, designed with an integral pivot for smooth and reliable operation. This kit makes it easy to create a tank-style...
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  • Motorcycle Curved Fender Struts DIY Kit – Bung King Fabrication Parts Bung King Curved Fender Strut Kit – Chopper and Bobber Fabrication Parts

    Curved Fender Strut Kit

    CFSK
    $30.00
    Curved Fender Strut Kit – DIY Custom Motorcycle Fender Struts Our Curved Fender Strut Kit gives you everything you need to build your own custom fender struts with a clean, professional look. Designed with a 10" radius curve, these struts provide a...
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  • 5" dia diy weld together domed end oil tank kit oil bag with screw in filler cap and 1/8" npt feed bungs 5 inch diameter 5" dia diy weld together domed end oil tank kit oil bag with screw in filler cap and 1/8" npt feed bungs 5 inch diameter

    "Pipe Bomb" Oil Tank Kit 5" Dia

    PBOTK5
    $68.00 - $91.00
    Pipe Bomb Oil Tank Kit 5" Diameter This is a DIY oil tank kit, which includes all the parts you need to fabricate your own custom oil tank for your custom motorcycle. Customers have also used these tanks for many other uses other than just motorcycle oil...
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  • Straight Fender Strut Kit with round bar, bungs, and hardware Solid 1/2" round bar for custom fender struts

    Straight Fender Strut Kit

    SFSK
    $27.00
    Straight Fender Strut Kit – DIY Custom Motorcycle Fender Mounting Solution Build strong, clean, and custom-fit fender struts with our Straight Fender Strut Kit, designed for riders and fabricators who want a professional look without relying on OEM...
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  • loop style fender strut diy weld together kit triumph bsa hoop

    Triumph BSA Strut Kit

    TFSK
    $30.00
    Triumph BSA Fender Strut Kit This is weld together kit with all the parts needed to create your own custom fender strut. Made just for those using a smaller 5" wide fender common to Triumph and BSA builds. The kit includes: 2ea 5/8 O.D. counterbored...
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  • round oil tank DIY weld together kit 5" outer dia 6" od flat end cap mild steel with thread in filler cap and weld in 1/8" npt bungs round oil tank DIY weld together kit 5" outer dia 6" od flat end cap mild steel with thread in filler cap and weld in 1/8" npt bungs

    F' Bomb Oil Tank Kit 5"

    FBOTK5
    $55.00
        F' Bomb Oil Tank Kit All the parts you need to Fabricate your own custom oil tank for your custom motorcycle.  This is a weld together kit for those who don't mind doing a little welding and grinding themselves and saving some money in...
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  • universal weld on bung mounting kit to mount fenders and oil tanks in mild steel tapped to 5/16" and 3/8" x 16 bolt sizes thread universal weld on bung mounting kit to mount fenders and oil tanks in mild steel tapped to 5/16" and 3/8" x 16 bolt sizes thread

    Universal Mount Set

    UMK
    $14.00
    Universal Mount Kit Thses universal weld on mounts can be used to mount just about anything we commony use them to mount fenders oil tanks and exhaust systems. Made from 3/4" diameter cold rolled mild steel. Each kit includes: 2 counterbored bungs 2...
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  • 6" dia DIY weld together make your own oil tank for your chopper harley oil bag 6 in diameter 6" dia DIY weld together make your own oil tank for your chopper harley oil bag 6 in diameter

    "Pipe Bomb" Oil Tank Kit 6" Dia

    PBOTK6
    $75.00 - $98.00
    Pipe Bomb Oil Tank Kit 6" Diameter This is a DIY oil tank kit, this kit includes all the parts you need to fabricate your own custom oil tank for your custom motorcycle. Customers have also used these tanks for many other uses other than just motorcycle...
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  • round oil tank DIY weld together kit 5" outer dia 6" od flat end cap mild steel with thread in filler cap and weld in 1/8" npt bungs Flanged end caps round oil tank DIY weld together kit 5" outer dia 6" od flat end cap mild steel with thread in filler cap and weld in 1/8" npt bungs flanged end caps

    F' Bomb Flanged Cap Oil Tank 5" dia

    FBOTC5
    $62.50
    Flanged Cap F' Bomb Oil Tank Kit 5" dia All the parts you need to Fabricate your own custom oil tank for your custom motorcycle.  This is a weld together kit for those who don"t mind doing a little welding and grinding themselves and saving some...
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  • weld in oil tank bag bung kit steel stainless steel aluminum chopper bobber screw in cap weld in oil tank bag bung kit steel stainless steel aluminum chopper bobber

    Oil Tank Bung Kit

    OTBK
    $32.50 - $38.50
    This kit includes all threaded fittings needed for proper function of an oil tank. This kit contains three 1/8 NPT fittings for your oil lines (feed, vent, and return) it also contains a threaded filler cap and bung. All weld in parts are available in...
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  • 5" and 6" domed steel weld on end caps for oil tanks

    Domed Oil Tank Endcaps

    OTEC
    $16.50 - $20.50
    Domed Oil Tank Endcaps We have been selling these endcaps for years in our Pipe Bomb Oil Tank Kits and now you can purchase them seperately from the kit. These domed caps are stamped out of 14 gauge mild steel and their height is half of their diameter. ...
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  • 5" OUTER DIA steel tubing for oil tanks and oil bags by the inch 6" diameter

    Oil Tank Tubing 5" and 6"

    OTtube
    $2.45
    Oil Tank Tubing by the Inch We have been selling this 5" and 6" mild steel tubing for years in our Pipe Bomb Oil Tank Kits and now you can purchase it separately from the kit. If you are looking to get some tubing for the shell of your oil tank but don't...
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    $2.45
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  • 5" 6" Diameter flat oil tank end cap tube cap weld on mild steel 5" 6" Diameter flat oil tank end cap tube cap weld on mild steel

    Flat Round Oil Tank Endcaps

    FROTEC
    $4.00
    Flat Round Oil Tank Endcaps If you have your own tubing but would like some perfect circles to cap it of with, these are for you. We stock a few different sizes. If you do not see a size you need, let us know and we can cut some out for you to your...
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  • flanged oil tank oil bag weld on end cap 5" dia 6" outer dia mild steel

    Flanged Oil Tank Endcap

    FOTEC
    $6.00
    Flanged Oil Tank Endcaps These are the endcaps used in our Flanged F Bomb Tank. They are made on our pullmax to fit either a 5" or 6" dia oil tank. These are made from 16 ga mild steel with the extra body line to give your custom built oil tank some...
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  • WELD TOGETHER DIY T-BAR KIT 1" DIAMETER

    T-Bar Kit

    TbarKIT
    $65.00
    Weld Together T-bar Kit This kit is all the parts you need to make your own 1" diameter set of t-bars. Simply trim the pre-coped uprights to your desired length, weld in the threaded riser spuds and weld on the cross bar to your desired angle. The upper...
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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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Bung King offers a wide range of bolt-on and weld-on kits for Harley-Davidson motorcycles and custom builds — perfect for Dyna, Sportster, Softail, FXR models, as well as choppers, rigid frames, and bobbers. From crash bar kits and fender strut kits to frame sliders and gauge relocation kits, each product is designed for strength, performance, and easy installation. Our kits include all necessary hardware and are made in the USA using high-quality materials. Whether you're building a stripped-down bobber, modifying a rigid chopper, or upgrading your Harley for the street or stunt use, Bung King kits deliver durability and clean style trusted by riders and custom builders alike.