WP475-M8

$345.00

The WP475-M8 is Ward Performance's highest-output drop-in camshaft for Harley-Davidson Milwaukee-Eight engines. Strong torque hits by 2,500 RPM, surges past 3,000, and pulls hard to 6,000 — delivering the passing power serious street riders expect without sacrificing low-speed manners. A crisp, uneven idle makes its presence known, yet the cam stays civil for long highway miles. Install with adjustable pushrods, and unlock the M8's full potential.

Key Features & Rider Benefits:

  • Drop-In Convenience: A bolt-in camshaft for straightforward installation in many applications.

  • Max Horsepower & Broad Torque: Engineered for significant power gains across a wide RPM range.

  • Aggressive Street Performance: Ideal for riders demanding a responsive and powerful engine for spirited riding.

  • Exciting Sound Profile: Produces a noticeable to aggressive and choppy idle, giving your M8 a distinctive performance sound.

  • Versatile Power Delivery: Smooth power for cruising with a strong, aggressive hit when you twist the throttle.

The WP475-M8 is Ward Performance's highest-output drop-in camshaft for Harley-Davidson Milwaukee-Eight engines. Strong torque hits by 2,500 RPM, surges past 3,000, and pulls hard to 6,000 — delivering the passing power serious street riders expect without sacrificing low-speed manners. A crisp, uneven idle makes its presence known, yet the cam stays civil for long highway miles. Install with adjustable pushrods, and unlock the M8's full potential.

Key Features & Rider Benefits:

  • Drop-In Convenience: A bolt-in camshaft for straightforward installation in many applications.

  • Max Horsepower & Broad Torque: Engineered for significant power gains across a wide RPM range.

  • Aggressive Street Performance: Ideal for riders demanding a responsive and powerful engine for spirited riding.

  • Exciting Sound Profile: Produces a noticeable to aggressive and choppy idle, giving your M8 a distinctive performance sound.

  • Versatile Power Delivery: Smooth power for cruising with a strong, aggressive hit when you twist the throttle.

CAM SPECS:

  • Valve Lift (Intake & Exhaust): .475" / .475"

  • Intake Opens (BTDC @ .050"): 10 degrees

  • Intake Closes (ABDC @ .050"): 30 degrees

  • Exhaust Opens (BBDC @ .050"): 50 degrees

  • Exhaust Closes (ATDC @ .050"): 20 degrees

  • Intake Duration (@ .050" lift): 220 degrees

  • Exhaust Duration (@ .050" lift): 250 degrees

  • Intake Centerline: 100 degrees

  • Exhaust Centerline: 105 degrees

  • Intake TDC Lift (@ TDC): .124"

  • Exhaust TDC Lift (@ TDC): .165"

PERFORMANCE PROFILE:

  • Effective RPM Range: 2500 - 6000 RPM

  • Recommended Engine Displacements: Stock 107", 114", 117" M8; also performs well in 124" to 128" big bore kits

  • Ideal Rider: The aggressive street rider who wants strong low-end torque with big HP numbers

  • Recommended Static Compression Ratio: Stock to 11:1

INSTALLATION REQUIREMENTS:

  • Adjustable Pushrods: Required

  • Performance Lifters: Recommended for optimal performance and durability

  • Valve Springs: Compatible with stock valve springs

  • Engine Tuning: A full professional tune is recommended for optimal performance and engine safety

  • Stock lifter guides are acceptable

FITMENT:

  • Cam Type: Drop-in camshaft

  • Sold as: Cam only

  • Compatible with: Harley-Davidson 2017 to current M8 engines

  • Excludes: VVT models

  • Supporting Mods: Performance exhaust and high flow air cleaner recommended for maximum performance

  • Made in the USA