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Howling Moto

S&S Cycle 900-4119A Forged Rocker Arms — Twin Cam, XL & XR1200 (Front & Rear Set)

S&S Cycle 900-4119A Forged Rocker Arms — Twin Cam, XL & XR1200 (Front & Rear Set)

$334.95 USD
$334.95 USD $334.95 USD
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Shipping & returns

Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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S&S Cycle 900-4119A Forged Steel Rocker Arms — Twin Cam, XL & XR1200

Upgrade your valve train with the S&S Cycle 900-4119A Rocker Arms — a cost-effective performance improvement for stock rebuilds and mild performance builds on Harley-Davidson Twin Cam, XL (Sportster), and XR1200 engines. Forged from 8620 steel and made in the USA, these front and rear rocker arms deliver superior strength, extended wear life, and increased load-bearing capacity over stock cast steel components.

  • Forged 8620 steel construction — stronger than stock or cast steel alternatives
  • Induction-hardened valve contact tips for extended wear resistance
  • Compatible with cams up to 0.585" of lift
  • Stock 1.625:1 ratio — direct replacement, no valve train modifications needed
  • 3/4" bronze bushings provide ~50% more load-bearing area vs. standard 1/2" bushings
  • Includes front and rear rocker arms
  • Made in the USA by S&S Cycle

Specifications

  • Part Number: 900-4119A
  • SKU: 900-4119A
  • Brand: S&S Cycle
  • Weight: 2.76 lbs
  • Rocker Ratio: 1.625:1 (stock)
  • Max Cam Lift: 0.585"
  • Bushing Size: 3/4" bronze
  • Country of Manufacture: USA
  • Compatibility: Harley-Davidson Twin Cam, XL Sportster, XR1200

  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.