Description

Camshaft – 520 – Evolution Big Twin

• S&S Cams are tested on the dyno, street and track before being offered to the public
• With hundreds of hours of testing on each cam, you know you are getting the best cam S&S can produce
• Provides best power in low to mid-range 1000 to 4500 rpm
• Works well in 80″- 96″ motors up to 10:1 compression
• Works with hydraulic tappets
• Requires high-lift springs
• Made in the USA
• Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and camshaft lobe to case clearance.