S&S Cycle Camshafts — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)

S&S Cycle 590G high-lift camshaft engineered for big-displacement Harley engines (124cc and larger) seeking maximum top-end horsepower. The aggressive profile extends the powerband well into the RPM range, peaking beyond stock redline.

Features

• High-lift 590G profile for 124+ cubic-inch engines
• Weighted for top-end horsepower and extended RPM range
• Includes all gaskets, bearings, and installation hardware
• Requires adjustable pushrods and heavy-duty valve springs

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 330-0732
• Category: Engine Components / Camshafts
• Weight: 4.18 lb

Fitment

Fits Harley-Davidson engines with 124 cubic inches or larger displacement.

Frequently Asked Questions

What size engine do I need for this cam?

This cam is designed for 124cc and larger Harley engines. Smaller displacement motors will not achieve the intended powerband.

What additional parts do I need to install this?

You must also purchase adjustable pushrods and heavy-duty valve springs. This cam requires both to operate safely and effectively.

What's included in the box?

The camshaft, all necessary gaskets, bearings, and installation hardware required for a complete cam swap.

Can I use this with a stock cam chain?

Yes, though S&S offers optional Gear Drive Kits that eliminate the cam chain tensioner for improved timing accuracy if desired.

Will this cam work on my stock Harley?

This is a high-performance cam designed for modified engines. Stock Harleys lack the supporting modifications needed to safely run this aggressive profile.