S&S CYCLE 514 Series Cam - Big Twin 33-5051

The S&S Cycle 514 Series Cam delivers predictable, dyno-tested performance across the RPM range where your Big Twin engine spends most of its time. Engineered for serious builders who demand reliability over hype, this domestically manufactured cam has logged hundreds of validation hours on the dyno, street, and racetrack—so you're installing proven hardware, not promises. If you're building a naturally aspirated motor and want responsive power without sacrificing durability, this is the cam to build around.

• Dyno and track tested
• Hundreds of validation hours
• Peak performance 2500–5000 RPM
• Designed for Big Twin engines
• Suits hydraulic or solid lifters
• Recommended for compression ≤9:1
• Requires coil bind verification
• Requires valve-to-valve clearance check
• Requires valve-to-piston clearance check
• Requires cam lobe-to-case clearance check
• Made in U.S.A.
• MPN: 335051