S&S Cycle
S&S Cycle 1.640:1 Ratio Forged Roller Rocker Arms — Fits 2017+ Harley-Davidson M8 Models
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S&S Cycle 1.640:1 Ratio Forged Roller Rocker Arms — Fits 2017+ Harley-Davidson M8 Models
S&S Cycle

S&S Cycle 1.640:1 Ratio Forged Roller Rocker Arms — Fits 2017+ Harley-Davidson M8 Models

SKU: SSC900-1084

About S&S Cycle S&S Cycle engineers high-quality automotive parts and ...Read more

Price:
$674.95
6740 ENTRIES10X
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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

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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.

Maximize Valvetrain Efficiency with S&S Cycle Forged Roller Rocker Arms

Unleash the full potential of your 2017 and newer Harley-Davidson Milwaukee-Eight engine with the S&S Cycle 1.640 to 1 Ratio Forged Roller Rocker Arms. Engineered for superior strength and reduced friction, these rocker arms are a vital upgrade for riders seeking to optimize their engine's performance and durability. The increased ratio provides more valve lift, translating to improved airflow and horsepower.

Precision Engineered for Performance

  • Forged Construction: Offers exceptional strength and rigidity, preventing flex under high RPMs and heavy spring loads.
  • 1.640:1 Ratio: Increases valve lift for enhanced cylinder filling and exhaust scavenging, boosting overall engine power.
  • Roller Tip Design: Minimizes friction between the rocker arm and valve stem, reducing wear and heat while improving valvetrain efficiency.
  • Optimized Geometry: Ensures proper valvetrain alignment and stability, crucial for consistent performance.

Experience a noticeable improvement in your M8's power delivery and valvetrain reliability. The S&S Cycle Forged Roller Rocker Arms are a premium choice for serious performance enthusiasts. Get yours today at GGCRACING.

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.

Maximize Valvetrain Efficiency with S&S Cycle Forged Roller Rocker Arms

Unleash the full potential of your 2017 and newer Harley-Davidson Milwaukee-Eight engine with the S&S Cycle 1.640 to 1 Ratio Forged Roller Rocker Arms. Engineered for superior strength and reduced friction, these rocker arms are a vital upgrade for riders seeking to optimize their engine's performance and durability. The increased ratio provides more valve lift, translating to improved airflow and horsepower.

Precision Engineered for Performance

  • Forged Construction: Offers exceptional strength and rigidity, preventing flex under high RPMs and heavy spring loads.
  • 1.640:1 Ratio: Increases valve lift for enhanced cylinder filling and exhaust scavenging, boosting overall engine power.
  • Roller Tip Design: Minimizes friction between the rocker arm and valve stem, reducing wear and heat while improving valvetrain efficiency.
  • Optimized Geometry: Ensures proper valvetrain alignment and stability, crucial for consistent performance.

Experience a noticeable improvement in your M8's power delivery and valvetrain reliability. The S&S Cycle Forged Roller Rocker Arms are a premium choice for serious performance enthusiasts. Get yours today at GGCRACING.

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