S&S Cycle 555 Camshafts - Harley Sportster (3500-6500 RPM)

Transform your 1991–2016 Harley-Davidson Sportster into a torque monster with S&S Cycle 555 camshafts. These cams are meticulously ground to deliver peak power between 3500–6500 rpm, perfect for riders who crave aggressive acceleration and a strong top-end pull from their 89–100 cubic inch V-twin.

Why riders pick this

• Optimized power band 3500–6500 rpm
• Works with ported stock or S&S heads
• Requires adjustable pushrods and high-lift valve springs
• Designed for 1991–2016 Harley Sportster

When it comes to performance, the camshaft is the heart of your Sportster's power delivery. The S&S Cycle 555 camshafts are designed for riders who demand more from their Evolution engine. Optimized for a broad and potent power band, these cams come alive in the mid-to-upper RPM range, making them an excellent choice for spirited street riding or aggressive track days. Pair them with a quality exhaust and a proper tune, and feel the difference.

Optimized Power for Your Sportster

• Delivers an optimized power band between 3500–6500 rpm
• Works effectively with both ported stock heads or S&S cylinder heads
• Engineered for 89–100 cubic inch displacement Sportster engines
• Designed to maximize valve lift and duration for increased airflow

Building a Performance Sportster

To fully capitalize on the potential of these S&S Cycle 555 camshafts, certain supporting modifications are required. Adjustable pushrods and high-lift valve springs are essential for proper valve train geometry and to prevent valve float at higher RPMs. While these cams will work with stock heads, pairing them with ported heads or S&S cylinder heads will unlock their full performance capability, ensuring your Sportster breathes freely and performs at its absolute best.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 33-5084
• Category: Engine Components / Camshafts
• Weight: 4.37 lb

Common questions