Lifestyle Powersports NOS • Rare • OEM • Hard-to-Find Parts

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

Swipe photos

Part photos

Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 1 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 2 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 3 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 4 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 5 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 6 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 7 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 8 Harley 1965-2000 Big Twin Primary Chain Adjuster Bracket & Nylon Shoe Assembly photo 9

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

Product form

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

      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.

      Swipe to compare

      More parts like this

      Finding similar parts…

      Recently viewed products

      Lifestyle Powersports – Premium Motorcycle & ATV Parts

      • Rare & Hard-to-Find Parts – Specializing in rare and discontinued motorcycle and ATV parts, including vintage Harley, Honda Goldwing accessories, and custom chopper components.
      • Hand-Picked & Quality Inspected – Every part is carefully selected, inspected, and handled with care, ensuring customers receive top-quality components.
      • Fast & Reliable Shipping – Dedicated to getting orders out quickly, with real-time updates and a commitment to excellent customer service.

      Buy Now Watch now

      © 2026 Lifestyle Powersports, Powered by Shopify

      • Mastercard
      • Shop Pay
      • Visa

      Login

      Forgot your password?

      Don't have an account yet?
      Create account

      Swipe to compare

      More parts like this