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JE Pistons

JE Pistons Ultra Series Piston Kit - 394100 For Harley Motorcycles 2018-2026

MPN: 394100 SKU: 0910-6860
JE Pistons

JE Pistons Ultra Series Piston Kit - 394100 For Harley Motorcycles 2018-2026

MPN: 394100 SKU: 0910-6860
SKU: 0910-6860
Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment Cermic crown coating protects the piston by reducing heat transfer Internal and external bracing maintains optimized strength-to-weight ratio for longevity 3D undercrown milling in non-critical areas reduces overall weight Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost Skirt coating reduces operating friction and wear throughout the life of piston Offset pin reduces piston rock and minimize engine operating noise Skirt notches for optimal clearance at the bottom dead center Kit includes two pistons, premium ring pack, wrist pins and wire locks Specs Units Kit Bore Size 4.310" Piston Head Shape Dished Stroke Length 4.500" Bore - Oversize +0,060" Bore Oversize +0.060" Product Name Piston Kit Riding Style Street Compression Ratio 11.25:1 Model Ultra Series Piston Material Forged 2618 Aluminum Part Notes Kit Includes: • 2x Ultra Series Pistons • 2x Wrist Pins • 2x Ring Sets • 2x Wire Locks
Regular price $729.99
Shipping calculated at checkout.

Product Details

Product Description

Features

  • Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
  • Cermic crown coating protects the piston by reducing heat transfer
  • Internal and external bracing maintains optimized strength-to-weight ratio for longevity
  • 3D undercrown milling in non-critical areas reduces overall weight
  • Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
  • Skirt coating reduces operating friction and wear throughout the life of piston
  • Offset pin reduces piston rock and minimize engine operating noise
  • Skirt notches for optimal clearance at the bottom dead center
  • Kit includes two pistons, premium ring pack, wrist pins and wire locks

Specs

Units Kit
Bore Size 4.310"
Piston Head Shape Dished
Stroke Length 4.500"
Bore - Oversize +0,060"
Bore Oversize +0.060"
Product Name Piston Kit
Riding Style Street
Compression Ratio 11.25:1
Model Ultra Series
Piston Material Forged 2618 Aluminum

Part Notes

  • Kit Includes:
  • • 2x Ultra Series Pistons
  • • 2x Wrist Pins
  • • 2x Ring Sets
  • • 2x Wire Locks

Part Numbers
Store SKU MFR. Product # Availability
0910-6860 394100 In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

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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