CP Pistons 449cc Piston Kit 14.3:1 96mm STD Bore x 62.1mm Stroke for 17-21 Honda CRF450R

CP Forged Piston Kit - Honda CRF450R 2017-2021 - 96mm, 14.3:1

CP Pistons SKU: CPPMX2181B
Price
Regular price $393.10
Regular price $421.75 Sale price $393.10
7% OFF
In Stock – Ready to Ship
Shipping calculated at checkout.

This CP Pistons piston kit is a forged, high-compression replacement for the 2017-2021 Honda CRF450R. It runs a 96mm standard bore and a 14.3:1 compression ratio for strong top-end power. Includes piston, rings, pin, and locks.

Specifications

Application Honda CRF450R
Years 2017-2021
Bore 96 mm (standard)
Stroke 62.1 mm
Displacement 449 cc
Compression 14.3:1
Includes Piston, rings, pin, locks
Part Number MX2181B

Shipping

  • In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Backordered items ship as soon as stock lands — contact us for lead times.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30-day returns on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
  • Installed or used parts can’t be returned — confirm fitment before you install.
  • Special orders and custom items are final sale.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy

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