1-5/8 in. BLACK FILL CAP WITH ALUMINUM WELD BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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1-5/8 in. BLACK FILL CAP WITH STEEL WELD BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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2 in. BLACK FILL CAP WITH ALUMINUM WELD BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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2 in. BLACK FILL CAP WITH STEEL WELD BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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2-3/4 in. BLACK FILL CAP WITH ALUMINUM WELD BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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2-3/4 in. BLACK FILL CAP WITH SILVER ALUMINUM 6 HOLE FUEL CELL BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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2-3/4 in. BLACK FILL CAP WITH STEEL WELD BUNG
This assembly includes a weldable mild steel bung. The lightweight, non-vented cap features positive grip finger notches that is easy to get a hold of . The 6061-T6 billet aluminum cap is CNC machined for accuracy with a lightweight, attractive design and features quick-starting coarse threads. Each is standard with a special positive sealing "radial squeeze" o-ring, which also holds the cap secure. Billet Aluminum Fill Caps is a Pro-werks specialty.
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Fill Through Gas Cap
This cap is made to screw into late model large thread filler spouts. You never have to remove the cap to re-fuel, just push the pump nozzle through the center valve. Vented for vacuum and can be modified to vent for pressure.
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Fill Through Gas Cap Aluminum Weld Bung
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Fill Through Gas Cap Steel Weld Bung
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