JE Pistons Piston Kit - 4.250" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8

JE Pistons

JE Pistons

SKU: 90-125470

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Product Details

JE Pistons Piston Kit - 4.250" Bore - 4.625" Stroke - 12.0:1 CR - 121" M8. Fits 4 Harley-Davidson models from 2023 to 2025, including the CVO Street Glide FLHXSE, FLHXSE CVO Street Glide and FLTRXSE CVO Road Glide. Manufacturer part number 400181.

Features

  • 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds
  • Skirt coating reduces opertating 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

Made in the USA

Specifications

UPC
193564569400
Vendor Part Number
400181
Package Height
5
Package Length
5
Package Width
9
Parts Unlimited #
0910-7029
Bore Size (in)
4.250"
Brand
JE Pistons
Compression Ratio
12.0:1
Displacement
121"
Piston Material
Forged 2618 Aluminum
Riding Style
Street
Stroke Length (in)
4.625"

Fitment

4 vehicles
Year Make / Model Model
2025 Harley-Davidson
CVO Street Glide FLHXSE
CVO Street Glide FLHXSE
2023 - 2025 Harley-Davidson
FLHXSE CVO Street Glide
FLHXSE CVO Street Glide
2023 - 2025 Harley-Davidson
FLTRXSE CVO Road Glide
FLTRXSE CVO Road Glide
2025 Harley-Davidson
FLTRXSTSE CVO Road Glide ST
FLTRXSTSE CVO Road Glide ST
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