S&S Cycle 540C Camshaft Kit for 2017-Up Harley-Davidson M-Eight

S&S Cycle 540C Camshaft Kit for 2017-Up Harley-Davidson M-Eight

The S&S 540C camshaft kit is engineered for M-Eight big bore builders seeking aggressive power delivery across a wide RPM band. Riders feel the jump in torque from the very first twist of the throttle, with a power curve that builds strong and holds on well past where the stock cam runs out of breath.

Key Features

• High-lift performance cam designed for 124ci and larger M-Eight big bore builds
• Delivers aggressive mid-to-upper RPM power curve
• Requires adjustable pushrods and upgraded valve springs
• Compatible with hydraulic lifters
• Dyno, street, and track tested before release
• Made in the USA

Technical Specifications

• Lift: .540″
• Engine Compatibility: 124ci and larger M-Eight big bore
• Drive Type: Chain
• Tappet Type: Hydraulic
• Pushrod Requirement: Adjustable pushrods required
• Spring Requirement: Upgraded valve springs required

Fitment Notes

• Fits 2017-Up Harley-Davidson M-Eight models
• Requires adjustable pushrod and cover kit
• Requires upgraded or Harley-Davidson high-performance valve springs
• Verify coil bind, valve-to-valve clearance, and valve-to-piston clearance before installing
• Review the Fitment tab for complete year and model breakdown