MotoLoadout
MotoBuilderProductsResourcesCompleted BuildsTrendsBenchmarksForums
MotoLoadout

Explore

  • MotoBuilder
  • Products
  • Resources
  • Completed Builds
  • Trends
  • Benchmarks
  • Forums

Account

    Company

    • About
    • Privacy Policy
    • Do Not Sell My Personal Information
    • Terms of Service

    Info

    • FAQ
    • Code of Conduct
    • Copyright / DMCA
    © 2026 MotoLoadout. All rights reserved.
    Log inSign up

    Account

    • Log in
    • Sign up
    ← Engine Rebuild Kits
    S&S Cycle Circuit Breaker Idler Gear Shaft For Harley Big Twin 1936-1969

    S&S Cycle

    S&S Cycle Circuit Breaker Idler Gear Shaft For Harley Big Twin 1936-1969

    $29.95

    Fits 7 Harley-Davidson models

    • E1936–1950
    • EL1936–1952
    • F1941–1950
    • FLFB1965–1969
    • FLHB1965–1969
    • FLHF1955–1964
    • FLHFB1965–1969
    Brand
    S&S Cycle
    Category
    Engine Rebuild Kits
    Part number
    31-2039
    Where to buy

    Compare prices

    MerchantPrice
    Cycle Gear$29.95Buy

    Price history

    Every price we have recorded, as observed. A line holds flat until the next time we saw the price change.

    $26$27$28$29$30$31$32$331:07 PM7:07 PM1:07 AM7:07 AM1:07 PMCycle Gear — $29.95 on 9/26/2026
    Cycle Gear

    Price Alert

    Log in to watch this part for a price drop.

    • * Email is sent within the hour, if you have switched it on in notification settings. Push does not work yet. Either way Price Alerts shows which targets have been met.
    • * Alerts use your merchant selections — best price right now is $29.95 at Cycle Gear.

    Reviews (0)

      No reviews yet.

    Reviews come from completed builds. Publish a build to review the parts in it.