2Bros Parts

Honda CRF 250 2010-2017 80mm 270cc Big Bore Kit

$890.46

4.4 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1

Cylinder Works Big Bore Kit transforms your bike or ATV with a precision honed big bore cylinder. This kit contains all required gaskets and a Vertex big bore piston complete with rings, pin, and circlips. The cylinder features a nickelsilicon carbide construction for durability.

Specifications
SKU
CW.11007-K01
Brand
Cylinder Works
Availability
In Stock (2)
SKU
CW.11007-K01
Brand
Cylinder Works
Availability
In Stock (2)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Upgrade Your Engine Performance with the Cylinder Works 270cc Big Bore Kit

Take your engine performance to the next level with the Cylinder Works Big Bore Kit. Designed for riders looking to maximize displacement and power, this kit provides a comprehensive solution for transforming your machine. Each component is engineered for durability and precision, ensuring a reliable increase in torque and horsepower.

The kit features a high quality cylinder that is precision honed and finished with a nickel silicon carbide coating. This advanced plating process provides exceptional wear resistance and heat dissipation, maintaining optimal performance even under demanding riding conditions. With its stock appearance, this big bore cylinder integrates seamlessly into your engine bay while delivering significantly enhanced output.

Key Features

  • Increased Displacement: Boosts your engine capacity to 270cc for improved torque and overall power delivery.
  • Precision Engineering: Cylinder is precision honed and nickel silicon carbide coated for maximum longevity and reduced friction.
  • Complete Package: Includes a high performance Vertex big bore piston kit, complete with rings, wrist pin, and circlips.
  • Ready for Assembly: Comes with all necessary gaskets required for a professional installation.
  • Factory Aesthetic: Designed to maintain the stock appearance of your engine while providing professional grade performance upgrades.

Whether you are looking to revitalize a tired engine or simply want more competitive power, the Cylinder Works Big Bore Kit offers the perfect balance of quality and performance gains in one convenient box.

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.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1