JE Pistons High-Performance HD M8 Forged Piston Kit – 4.075″ Bore, 4.625″ Stroke, 11.5:1 Compression Ratio (Part #400173)

Description

• 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds
• Skirt coating reduces operating friction and wear
• Offset pins reduce piston rock and minimize operating noise
• Skirt notches for optimal clearance at bottom dead center
• Accumulator groove taps combustion gases below the top ring to promote more consistent, positive ring seal and performance
• Inlcudes two pistons, premium ring packs, wrist pins and wire locks
• Made in the USA
  

  Fitments

  2025	Harley-Davidson	FLTRXSTSE CVO Road Glide ST	–	–
  2023, 2025	Harley-Davidson	FLHXSE CVO Street Glide	–	–
  2023, 2025	Harley-Davidson	FLTRXSE CVO Road Glide	–	–

  Fitment Disclosure

  This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

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