S&S Cycle .605in Valve Spring Kit — Fits 2017+ Harley-Davidson Milwaukee-Eight (M8) Models

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

S&S Cycle .605in Valve Spring Kit for 2017+ Milwaukee-Eight

Unleash the full potential of your 2017 and newer Harley-Davidson Milwaukee-Eight (M8) engine with the S&S Cycle .605in Valve Spring Kit. This high-performance kit is specifically engineered to accommodate aggressive, high-lift camshafts, providing the necessary valve control and stability for significant power gains. It's an indispensable upgrade for any M8 owner looking to push their engine's limits.

Engineered for M8 Performance

The Milwaukee-Eight engine demands robust valve train components when upgrading to performance camshafts. These S&S Cycle valve springs are designed to prevent valve float, even with lifts up to .605 inches, ensuring precise valve timing and maximum horsepower throughout the RPM range. Experience improved throttle response and a more powerful, reliable engine.

  • Specifically designed for 2017+ Harley-Davidson Milwaukee-Eight models.
  • Supports valve lifts up to .605 inches.
  • Provides superior valve control for high-performance camshafts.
  • Reduces valve float and enhances engine reliability.
  • Optimizes power delivery across the RPM band.

Elevate your M8's performance with S&S Cycle's precision engineering. Find this .605in Valve Spring Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2021 Harley-Davidson FLHR Road King Base
2017-2019 Harley-Davidson FLHRC Road King Classic Base
2017-2021 Harley-Davidson FLHRXS Road King Special Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2020 Harley-Davidson FLHTKL Ultra Limited Low Base
2017-2021 Harley-Davidson FLHX Street Glide Base
2017-2021 Harley-Davidson FLHXS Street Glide Special Base
2017-2020 Harley-Davidson FLTRU Road Glide Ultra Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

S&S Cycle .605in Valve Spring Kit for 2017+ Milwaukee-Eight

Unleash the full potential of your 2017 and newer Harley-Davidson Milwaukee-Eight (M8) engine with the S&S Cycle .605in Valve Spring Kit. This high-performance kit is specifically engineered to accommodate aggressive, high-lift camshafts, providing the necessary valve control and stability for significant power gains. It's an indispensable upgrade for any M8 owner looking to push their engine's limits.

Engineered for M8 Performance

The Milwaukee-Eight engine demands robust valve train components when upgrading to performance camshafts. These S&S Cycle valve springs are designed to prevent valve float, even with lifts up to .605 inches, ensuring precise valve timing and maximum horsepower throughout the RPM range. Experience improved throttle response and a more powerful, reliable engine.

  • Specifically designed for 2017+ Harley-Davidson Milwaukee-Eight models.
  • Supports valve lifts up to .605 inches.
  • Provides superior valve control for high-performance camshafts.
  • Reduces valve float and enhances engine reliability.
  • Optimizes power delivery across the RPM band.

Elevate your M8's performance with S&S Cycle's precision engineering. Find this .605in Valve Spring Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2021 Harley-Davidson FLHR Road King Base
2017-2019 Harley-Davidson FLHRC Road King Classic Base
2017-2021 Harley-Davidson FLHRXS Road King Special Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2020 Harley-Davidson FLHTKL Ultra Limited Low Base
2017-2021 Harley-Davidson FLHX Street Glide Base
2017-2021 Harley-Davidson FLHXS Street Glide Special Base
2017-2020 Harley-Davidson FLTRU Road Glide Ultra Base

Product Details

Product Description

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

S&S Cycle .605in Valve Spring Kit for 2017+ Milwaukee-Eight

Unleash the full potential of your 2017 and newer Harley-Davidson Milwaukee-Eight (M8) engine with the S&S Cycle .605in Valve Spring Kit. This high-performance kit is specifically engineered to accommodate aggressive, high-lift camshafts, providing the necessary valve control and stability for significant power gains. It's an indispensable upgrade for any M8 owner looking to push their engine's limits.

Engineered for M8 Performance

The Milwaukee-Eight engine demands robust valve train components when upgrading to performance camshafts. These S&S Cycle valve springs are designed to prevent valve float, even with lifts up to .605 inches, ensuring precise valve timing and maximum horsepower throughout the RPM range. Experience improved throttle response and a more powerful, reliable engine.

  • Specifically designed for 2017+ Harley-Davidson Milwaukee-Eight models.
  • Supports valve lifts up to .605 inches.
  • Provides superior valve control for high-performance camshafts.
  • Reduces valve float and enhances engine reliability.
  • Optimizes power delivery across the RPM band.

Elevate your M8's performance with S&S Cycle's precision engineering. Find this .605in Valve Spring Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2021 Harley-Davidson FLHR Road King Base
2017-2019 Harley-Davidson FLHRC Road King Classic Base
2017-2021 Harley-Davidson FLHRXS Road King Special Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2020 Harley-Davidson FLHTKL Ultra Limited Low Base
2017-2021 Harley-Davidson FLHX Street Glide Base
2017-2021 Harley-Davidson FLHXS Street Glide Special Base
2017-2020 Harley-Davidson FLTRU Road Glide Ultra Base

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