2Bros Parts

HONDA CRF 250R 2004 - 2009 CRF 250X 2004 - 2017 BIG BORE 81mm 270cc 13.0:1

$287.99Only 1 left

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Delivery to United States 5–8 business days

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Vertex four-stroke pistons are forged from high-quality 2618 aluminum alloy, suited for modern four-stroke engines. The piston skirt features a Molybdenum Disulphide (MOS2) coating for break-in and reduced wear. Vertex pistons offer unique profiles and compression ratios in A, B, C, and D sizes, with 0.01mm variations for precise cylinder fitment, maximizing power and performance while reducing blow-by and oil consumption. This is a big bore 81mm 270cc piston with a 13.0:1 compression ratio.

Specifications
SKU
V.3535
Brand
Vertex
Availability
In Stock (1)
SKU
V.3535
Brand
Vertex
Availability
In Stock (1)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Vertex Big Bore Piston Kit 81mm 270cc

Enhance the performance of your engine with this high-quality Vertex Big Bore Piston Kit. Designed for riders seeking increased displacement and reliable power, this 81mm piston kit converts your engine to a 270cc capacity with a 13.0:1 compression ratio.

Vertex four-stroke pistons are engineered to meet the demands of modern high-performance engines. Each piston is forged from premium 2618 aluminum alloy, providing the structural integrity required to withstand extreme internal pressures and high-revving environments.

Key Features

  • Forged Construction: Precision forged from 2618 aluminum alloy for superior durability and strength.
  • MOS2 Skirt Coating: Features a unique Molybdenum Disulphide coating to assist in the break-in process and significantly reduce friction and wear.
  • Increased Displacement: Designed as a big bore solution to increase engine capacity to 270cc.
  • Optimized Performance: Engineered to maximize power output while effectively reducing blow-by and oil consumption.
  • Precision Sizing: Vertex offers specific piston profiles to ensure a perfect fit within your cylinder, optimizing compression and engine efficiency.

Whether you are rebuilding your engine or looking for a competitive edge on the track, this Vertex piston kit delivers the reliability and power gains expected from a world-class manufacturer.

Before you buy

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Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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