S&S Cycle
S&S Cycle Big Bore Top End Guardian Kit — Fits 2017+ Harley-Davidson M8 Models
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S&S Cycle Big Bore Top End Guardian Kit — Fits 2017+ Harley-Davidson M8 Models
S&S Cycle

S&S Cycle Big Bore Top End Guardian Kit — Fits 2017+ Harley-Davidson M8 Models

SKU: SSC900-1092

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

Price:
$917.95
9170 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.

Watch in action

Fortify Your M8 Big Bore Engine with S&S Cycle's Guardian Kit

Ensure the long-term reliability and performance of your 2017 and newer Harley-Davidson Milwaukee-Eight big bore engine with the S&S Cycle Big Bore Top End Guardian Kit. This comprehensive kit provides crucial components designed to reinforce the top end, preventing common issues associated with increased displacement and power. It's an essential investment for any M8 owner running a big bore conversion.

Key Protection for Enhanced Engines

  • Head Gaskets: High-quality, multi-layer steel (MLS) head gaskets for superior sealing and durability under extreme conditions.
  • Rocker Box Gaskets: Improved design and materials to prevent oil leaks and maintain a tight seal.
  • Breather System Components: Optimized breather system parts to ensure proper crankcase ventilation and reduce oil carry-over.
  • Hardware Upgrades: Includes necessary hardware for a secure and reliable assembly, designed to handle higher stresses.

The S&S Cycle Big Bore Top End Guardian Kit is meticulously engineered to complement your big bore upgrade, offering peace of mind and sustained performance. Trust GGCRACING for the best in Harley-Davidson M8 engine protection.

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.

Watch in action

Fortify Your M8 Big Bore Engine with S&S Cycle's Guardian Kit

Ensure the long-term reliability and performance of your 2017 and newer Harley-Davidson Milwaukee-Eight big bore engine with the S&S Cycle Big Bore Top End Guardian Kit. This comprehensive kit provides crucial components designed to reinforce the top end, preventing common issues associated with increased displacement and power. It's an essential investment for any M8 owner running a big bore conversion.

Key Protection for Enhanced Engines

  • Head Gaskets: High-quality, multi-layer steel (MLS) head gaskets for superior sealing and durability under extreme conditions.
  • Rocker Box Gaskets: Improved design and materials to prevent oil leaks and maintain a tight seal.
  • Breather System Components: Optimized breather system parts to ensure proper crankcase ventilation and reduce oil carry-over.
  • Hardware Upgrades: Includes necessary hardware for a secure and reliable assembly, designed to handle higher stresses.

The S&S Cycle Big Bore Top End Guardian Kit is meticulously engineered to complement your big bore upgrade, offering peace of mind and sustained performance. Trust GGCRACING for the best in Harley-Davidson M8 engine protection.

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