What material are these rocker arms made from?

These rocker arms are forged from 8620 steel. They then undergo heat treatment and a shot-peening process to further enhance their strength and durability.

How many rocker arms are included in this set?

This set includes a total of four rocker arms. Two are intended for the front cylinders of your engine, and the other two are for the rear cylinders.

What is the purpose of the bronze bushings?

The 3/4 inch long bronze bushings within each rocker arm help to ensure smooth rotation and reduce friction. This contributes to the overall longevity and reliable operation of your engine's valve train.

S&S Cycle Roller Rocker Arm Set 900-4065A - Harley Big Twin

Name: S&S Cycle 84-18 BT Roller Rocker Arm Set
Brand: S&S Cycle
Price: 656.79 USD
Availability: InStock

S&S Cycle 84-18 BT Roller Rocker Arm Set

$656.79

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle Roller Rocker Arm Set for Harley Big Twin engines.

Key Features

Fits 1984-2008 Harley-Davidson Big Twin engines, 1986-2019 Harley-Davidson Sportster models, and 1994-2002 Buell models.
Forged from 8620 steel for a strong foundation.
Heat-treated and shot-peened for increased durability and to eliminate stress areas.
Includes two front and two rear rocker arms for a complete set.
Each rocker arm is 3/4 inch long and features a bronze bushing for smooth operation.

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Will this fit your vehicle?

Product Details

Starting with 8620 steel, these S&S Cycle roller rocker arms are forged and then heat-treated, followed by a shot-peening process. This multi-step treatment is key to building in extra strength and eliminating potential failure points that can occur in other rocker designs. If you're working on the top end of your 1984-2008 Harley-Davidson Big Twin, 1986-2019 Sportster, or 1994-2002 Buell, this set is built to handle the demands of your engine.

You get a set of four rocker arms, with two designed for the front cylinders and two for the rear. Each rocker arm features a 3/4 inch long bronze bushing, which helps ensure smooth operation and durability within the rocker box. This well-built set is designed to be a strong replacement for your stock components, offering improved longevity and reliability for your engine's valve train.

When rebuilding or upgrading your engine's valve train, using components designed for strength and reliability is crucial. This roller rocker arm set from S&S Cycle is a solid option for those looking to ensure their engine performs consistently and lasts longer.