What is the main benefit of this big bore kit?

This kit increases your Honda TRX450R's engine displacement from stock to 490cc. This means more power and torque for improved acceleration and overall performance.

What materials are used in the cylinder and piston?

The cylinder is made of aluminum with a galvanic coating for durability and heat management. The included forged piston features a molybdenum coating to reduce friction and improve wear resistance.

Can this kit be shipped to California?

No, this kit is not CARB approved and cannot be shipped to California due to emissions regulations.

Athena

Athena 06-14 Honda TRX 450 ER 100mm 490cc Big Bore Cylinder Kit

Name: Athena 06-14 Honda TRX 450 ER 100mm 490cc Big Bore Cylinder Kit
Brand: Athena
Price: 1018.71 USD
Availability: InStock

$1018.71

Fits 2006-2014 Honda TRX450R. Athena 490cc Big Bore Cylinder Kit increases displacement for more power.

Key Features

Direct fit — verified for 2006-2014 Honda TRX450R
Increases engine displacement to 490cc — more power and torque
Aluminum cylinder with galvanic coating — durable and helps with heat dissipation
Forged piston with molybdenum coating — strong and reduces friction for better performance

Fits this vehicle

Honda TRX450R 2006-2014

Need Help?

631-982-0042

Fast Shipping

Nationwide delivery

Secure Checkout

Safe & protected

Since 1957

Family-owned

Product Details

You get an aluminum cylinder and forged piston in this Athena Big Bore Cylinder Kit. This kit increases your 2006-2014 Honda TRX450R's displacement to 490cc, giving you more power for off-road riding. It's a well-built upgrade for riders looking for a performance boost.