QuadBoss QBS563902 Honda TRX250X / TRX300EX/X Top End Gasket Kit

Gasket set designed for piston replacement. Includes the head, base and upper gaskets.

• Includes the gaskets gaskets needed to reseal the cylinder and head on one engine
• Designed as a direct-fit replacement to match OEM dimensions for easier assembly
• Helps restore proper compression and prevent coolant and oil leaks
• Made in USA

The QuadBoss QBS563902 top end gasket kit is designed for piston replacement and engine resealing. The kit includes the head, base and upper gaskets needed to reseal the cylinder and head on one engine.

Designed as a direct-fit replacement to match OEM dimensions, this gasket set supports easier assembly while helping restore proper compression and prevent coolant and oil leaks. The kit is made in the USA.

Key Features & Performance Benefits

• Piston replacement gasket set: Provides the gaskets needed for top-end service.
• Complete top-end coverage: Includes head, base and upper gaskets for resealing the cylinder and head.
• Direct-fit design: Matches OEM dimensions for easier assembly.
• Leak and compression support: Helps restore proper compression and prevent coolant and oil leaks.

Key Product Specifications & Technical Data

• Brand: QuadBoss
• Part number: QBS563902
• Product type: Top end gasket kit
• Application: Powersports
• Purpose: Piston replacement and engine resealing
• Gaskets included: Head, base and upper gaskets
• Fitment: 2009 Honda TRX300X
• Country of manufacture: USA

What's Included in the Box

• Head gasket
• Base gasket
• Upper gasket

Fitments:
2009 Honda TRX300X Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Clearance Item: t
Regular Stock: false
Units Per Sku: 1