S&S Cycle Evolution 520 Camshaft - 33-5073

Unleash the true potential of your engine with the S&S Cycle 520 Camshaft. This high-performance camshaft is designed to deliver maximum power and torque, transforming your riding experience. S&S Cycle subjects their cams to rigorous testing on the dyno, street, and track, ensuring you receive a product that lives up to the S&S reputation for quality and performance.

Description

The S&S 520 Series Camshaft is engineered to provide the best power in the low to mid-range, specifically between 1000 and 4500 RPM. This makes it ideal for riders who demand responsive acceleration and strong pulling power across the rev range. This camshaft works exceptionally well in 80" to 96" motors with up to 10:1 compression ratios. It is compatible with hydraulic tappets, providing reliable and consistent performance. With intake and exhaust lifts of 0.520", this cam is designed to optimize airflow and maximize combustion efficiency, delivering noticeable gains in horsepower and torque. Proudly made in the USA, the S&S 520 Camshaft represents the pinnacle of American engineering and craftsmanship. This gear driven cam is a direct replacement and an upgrade all in one.

Features & highlights

• Experience maximum power in the low to mid-range (1000-4500 RPM).
• Optimized for 80"-96" motors with up to 10:1 compression.
• Compatible with hydraulic tappets for ease of installation and maintenance.
• High 0.520" lift on both intake and exhaust valves for improved airflow.
• Rigorously dyno, street, and track tested for proven performance and reliability.
• Made in the USA with premium materials and precise manufacturing processes.
• Gear driven for simple installation.

Technical specifications

• Brand: S&S Cycle
• Product Name: Camshaft
• Grind: 520 Series
• Type: Gear
• Intake Duration: 220°
• Intake Lift: 0.520"
• Intake Open: 0°
• Intake Close: 40°
• Intake Lift at TDC: 0.086"
• Exhaust Duration: 232°
• Exhaust Lift: 0.520"
• Exhaust Open: 50°
• Exhaust Close: 2°
• Exhaust Lift at TDC: 0.094"

Important to know

This camshaft requires high-lift valve springs. Installation requires the installer to check coil bind, valve-to-valve clearance, valve-to-piston clearance, and camshaft lobe to case clearance.