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Harley Big Twin 4 Speed Duo-Seal Super Nut Kit 1941-1984 Shovelhead V-Twin 17-1490

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Harley Big Twin 4 Speed Duo-Seal Super Nut Kit 1941-1984 Shovelhead V-Twin 17-1490 photo 1 Harley Big Twin 4 Speed Duo-Seal Super Nut Kit 1941-1984 Shovelhead V-Twin 17-1490 photo 2

Description

Premium Factory Upgraded Performance Parts — Powersports Inventory Vault
Up for sale is a brand new, New Old Stock (NOS) V-Twin Manufacturing Duo-Seal Super Nut Kit (Part Number: #17-1490 / Cross-references Tedd Cycle index: 17-1490). Safely preserved and factory-sealed inside its original plastic packaging sleeve, this premium driveline upgrade kit completely replaces the leak-prone stock mechanical sprocket nut to provide a modern dual-rubber oil seal interface against your transmission mainshaft spacer.
Product Specifications & Engineering Parameters:
  • Brand: V-Twin Manufacturing (100% Premium Aftermarket Core Alignment)
  • Component Type: Transmission Mainshaft Final Drive Sprocket Locking Super Nut Kit [1]
  • Upgraded Seal Style: Duo-Seal configuration featuring an integrated inner rubber seal line to isolate primary cases from oil mist migration path.
  • Platform Fitment Bounds: Direct performance drop-in swap for standard original equipment 4-speed gearboxes on 1941 to 1984 Harley-Davidson Big Twin models:
    • 1941–1947 Knucklehead (EL / FL)
    • 1948–1965 Panhead (FL / FLH)
    • 1966–1984 Shovelhead Ratchet Top, Cowpie, & Rotary 4-Speeds (FX / FLH / FXWG)
  • Exclusions: Built strictly for early 4-speed transmission sprocket thread profiles. Will NOT fit 1980-later 5-speed Evolution or Twin Cam mainshaft assemblies.
  • Condition Details: Pristine New Old Stock (NOS) condition. The internal rubber seal, threaded hex nut backing body, and sealing rings are completely fresh, unhandled, uncompressed, dry, and sealed tight inside the original distributor barcoded hang pouch as pictured.

Harley Big Twin 4 Speed Duo-Seal Super Nut Kit 1941-1984 Shovelhead V-Twin 17-1490

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Premium Factory Upgraded Performance Parts — Powersports Inventory Vault Up for sale is a brand new, New Old Stock (NOS)... Read more

2 in stock

$18.95

      Description

      Premium Factory Upgraded Performance Parts — Powersports Inventory Vault
      Up for sale is a brand new, New Old Stock (NOS) V-Twin Manufacturing Duo-Seal Super Nut Kit (Part Number: #17-1490 / Cross-references Tedd Cycle index: 17-1490). Safely preserved and factory-sealed inside its original plastic packaging sleeve, this premium driveline upgrade kit completely replaces the leak-prone stock mechanical sprocket nut to provide a modern dual-rubber oil seal interface against your transmission mainshaft spacer.
      Product Specifications & Engineering Parameters:
      • Brand: V-Twin Manufacturing (100% Premium Aftermarket Core Alignment)
      • Component Type: Transmission Mainshaft Final Drive Sprocket Locking Super Nut Kit [1]
      • Upgraded Seal Style: Duo-Seal configuration featuring an integrated inner rubber seal line to isolate primary cases from oil mist migration path.
      • Platform Fitment Bounds: Direct performance drop-in swap for standard original equipment 4-speed gearboxes on 1941 to 1984 Harley-Davidson Big Twin models:
        • 1941–1947 Knucklehead (EL / FL)
        • 1948–1965 Panhead (FL / FLH)
        • 1966–1984 Shovelhead Ratchet Top, Cowpie, & Rotary 4-Speeds (FX / FLH / FXWG)
      • Exclusions: Built strictly for early 4-speed transmission sprocket thread profiles. Will NOT fit 1980-later 5-speed Evolution or Twin Cam mainshaft assemblies.
      • Condition Details: Pristine New Old Stock (NOS) condition. The internal rubber seal, threaded hex nut backing body, and sealing rings are completely fresh, unhandled, uncompressed, dry, and sealed tight inside the original distributor barcoded hang pouch as pictured.

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