2Bros Parts

HONDA CRF 250R 2020-2021 GRADE C 78.98mm HIGH COMPRESSION 14.4:1

$322.97

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Delivery to United States 5–8 business days

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Vertex four-stroke piston. Forged from 2618 aluminum alloy. Features Molybdenum Disulphide (MOS2) coating on the piston skirt for break-in and reduced wear. Grade C. 78.98mm bore size. 14.4:1 compression ratio.

Specifications
SKU
V.4517C
Brand
Vertex
Availability
In Stock (2)
SKU
V.4517C
Brand
Vertex
Availability
In Stock (2)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Vertex High Compression Four-Stroke Piston

Upgrade your engine performance with the Vertex Grade C High Compression Piston. Engineered for riders who demand superior power and durability, this piston is precision-machined to meet the rigorous demands of high-performance four-stroke engines. By maintaining exact tolerances, Vertex ensures your engine runs at its peak, providing improved efficiency and consistent power delivery.

Key Features and Benefits

  • High-Quality Materials: Forged from premium 2618 aluminum alloy, providing exceptional strength and heat resistance under high-pressure conditions.
  • Precision Sizing: Manufactured in specific size variations to ensure the perfect fit between piston and cylinder, effectively reducing blow-by and minimizing oil consumption.
  • Advanced Coating: Features a specialized Molybdenum Disulphide (MOS2) coating on the piston skirt to facilitate a smooth break-in process and significantly reduce friction and wear.
  • Increased Performance: Designed with a high compression ratio of 14.4:1 to maximize combustion efficiency and increase overall engine output.
  • Reliable Engineering: Vertex piston profiles are developed to withstand the intense internal stresses of modern high-revving four-stroke powerplants.

Whether you are looking to refresh your top end or seeking an edge in performance, this Vertex piston offers the reliability and technical precision required for competitive riding. This Grade C piston is measured at 78.98mm, offering the ideal clearance for engines requiring this specific tolerance level.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

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

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

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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