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Exhaust
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33-5073

S&S Cycle 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

    Notes

    • Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and camshaft lobe to case clearance.