Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly

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Description

  • Maintain reliable primary drive performance and eliminate internal case slapping with this complete manual primary chain adjuster assembly.This item includes the heavy-duty serrated steel mount bracket (V-Twin 18-3218) bundled together with the replacement nylon tensioner shoe pad to offer a complete hardware solution.Key Features:
    • Condition: 100% Brand New.
    • Serrated Back Design: Features a precision-machined serrated back surface on the bracket to guarantee rock-solid, slip-free height locking under high-torque conditions.
    • Nylon Wear Shoe Pad: Crafted from high-density, low-friction nylon to reduce drag, minimize chain wear, and quiet drivetrain noise.
    • Complete Combo Setup: Includes both the steel mounting bracket and the compatible primary drive chain tensioner pad.
    Fitment & Compatibility:
    • Harley-Davidson Big Twin: Fits 4-speed and 5-speed models spanning 1965 to 2000 (including Shovelhead, Evolution, and early Twin Cam architectures).
    • Model Families: Compatible with Harley FL, FX, FXST, FLST, FLT, FXR, and FXD models.
    • Cross Reference: Bracket directly replaces factory Harley-Davidson OEM part #39990-65.
    Why Choose This Assembly?
    • Full manufacturer warranty included.
    • Combines the critical structural mounting plate with the physical wear item in one convenient package.
    • Essential update to fix uneven chain tracking or sloppy adjustments inside your inner primary housing.

Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly

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Maintain reliable primary drive performance and eliminate internal case slapping with this complete manual primary chain adjuster assembly.This item includes... Read more

1 in stock

$39.00

    • Shipped today? Order within: Aug 05, 2026 10:00:00 -0400

    Description

    • Maintain reliable primary drive performance and eliminate internal case slapping with this complete manual primary chain adjuster assembly.This item includes the heavy-duty serrated steel mount bracket (V-Twin 18-3218) bundled together with the replacement nylon tensioner shoe pad to offer a complete hardware solution.Key Features:
      • Condition: 100% Brand New.
      • Serrated Back Design: Features a precision-machined serrated back surface on the bracket to guarantee rock-solid, slip-free height locking under high-torque conditions.
      • Nylon Wear Shoe Pad: Crafted from high-density, low-friction nylon to reduce drag, minimize chain wear, and quiet drivetrain noise.
      • Complete Combo Setup: Includes both the steel mounting bracket and the compatible primary drive chain tensioner pad.
      Fitment & Compatibility:
      • Harley-Davidson Big Twin: Fits 4-speed and 5-speed models spanning 1965 to 2000 (including Shovelhead, Evolution, and early Twin Cam architectures).
      • Model Families: Compatible with Harley FL, FX, FXST, FLST, FLT, FXR, and FXD models.
      • Cross Reference: Bracket directly replaces factory Harley-Davidson OEM part #39990-65.
      Why Choose This Assembly?
      • Full manufacturer warranty included.
      • Combines the critical structural mounting plate with the physical wear item in one convenient package.
      • Essential update to fix uneven chain tracking or sloppy adjustments inside your inner primary housing.

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