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  • Pair of tapered steel seat pan bungs cut at 20-degree angle, tapped for 3/8"-16 or 5/16"-18 thread, used for sprung motorcycle seat springs. Angled seat spring mounting bungs for motorcycle seat pans, made from 1-inch cold rolled steel with 20-degree taper, threaded for easy spring installation.

    Tapered / Angled Seat Bung

    TSB
    $15.50
    Tapered / Angled Seat Pan Bungs – For Sprung Motorcycle Seats When a flat bung won’t cut it, our tapered seat pan bungs are the perfect solution for mounting springs on sprung motorcycle seats. Designed with a 20-degree angled cut, these...
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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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  • SEAT SPRING PERCH MOUNT WELD ON TO 1" OR 1-1/4" DIA TUBE TO FRAME CHASSIS MOUNT SEAT SPRING PERCH MOUNT WELD ON TO 1" OR 1-1/4" DIA TUBE TO FRAME CHASSIS MOUNT

    Seat Spring Perch / Mount

    SSP
    $22.00
    Seat Spring Perches / Mounts – Weld-On Chassis Brackets Upgrade your custom motorcycle or classic bike build with our Seat Spring Perches, designed to securely mount and locate the lower section of your sprung solo seat. These perches are welded...
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  • Weld-on seat pan bung made from 1-inch cold rolled steel, tapped for 3/8"-16 or 5/16"-18 thread, used for custom motorcycle seat mounts. Low-profile seat pan bung for welding to thin metal seat pans, 1" diameter x .400" tall with threaded hole for mounting springs or pivots.

    Seat Pan Bungs

    SPTB
    $4.25
    Seat Pan Bungs – 1" OD Weld-On Mounting Bungs for Custom Seat Pans Building your own custom steel seat pan? Our Seat Pan Bungs are the ideal solution for mounting seat springs, front pivots, and other hardware to thin or lightweight seat pans...
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Upgrade your custom motorcycle’s comfort and style with Bung King’s premium seat parts. Whether you’re building a bobber, chopper, or restoring a classic Harley-Davidson, our selection of high-quality seat brackets, springs, mounts, and hardware has you covered. Designed for durability and easy installation, these parts allow fabricators and DIY builders to customize seat positioning, improve ride comfort, and achieve that perfect fit and look. All components are crafted with precision and built to withstand the demands of the road, making them ideal for custom builds and repairs alike.