Make sure this part fits

Automatic Primary Chain Tension Adjuster

$129.95

Part Number: 40063-05B
Quantity:
1
Members get Free Shipping over $50 & earn 390 reward points on this purchase.
or
for local inventory details
Starting at $12/mo with . Check your purchasing power

Original Equipment on '06-'17 Dyna® and '07-'17 Softail® and Touring models, this Automatic Primary Chain Adjuster eliminates the need to manually adjust the primary chain tension at traditional service intervals.

  • Requires separate purchase of model-specific primary gasket and seals

Fits '85-'06 Evolution 1340 (except '85-'88 Softail) and Twin Cam powertrain. Requires separate purchase of model-specific primary gasket and seals.

Installation Instructions

Sold In Units:

Each

In the Box:

Chain tensioner and all necessary installation hardware

WARRANTY:

1 year limited warranty – Go to www.h-d.com/warranty for full details

These Screamin’ Eagle® products are 50-State U.S. EPA compliant for sale and use on all applicable vehicles, including those that are pollution controlled. See Genuine Motor Parts and Accessories or Screamin’ Eagle Accessories catalog for fitment information. Screamin’ Eagle Performance products are intended for the experienced rider only.

  • BOPIS

    Buy Online. Pick Up in Store.

    Your order can be ready for pickup at your dealer in as little as two hours for in-store stocked items.

  • m&l

    H-D Membership

    Free to join! Members get free shipping over $50, points for purchases and access to the H-D App.

  • ride challenge man on bike

    2025 Let's Ride Challenge

    Through Oct 31st, every mile ridden supports vets. Join in honoring our heroes.

  • H-D Visa Card

    H-D™ Visa® Card

    If instantly approved, use your virtual card today to get a Low Introductory APR and the opportunity to earn $100 in H-D Gift Cards. Find out if you're pre-approved with no impact to your credit score.