Vertex Exhaust Power Valve Bellows for 1998-1999 Polaris 440 XCR - 817978

The Vertex Exhaust Power Valve Bellows 817978 is designed for the Polaris models listed below. It provides an application-specific solution for power-valve system repair while keeping the required vehicle fitment connected to one manufacturer part number.

This Vertex exhaust power-valve bellows is an application-specific replacement for a worn, torn, or leaking original component. Replacing a damaged bellows helps restore proper movement and sealing within the power-valve system.

Features

• Direct replacement power-valve bellows
• Helps restore proper exhaust-valve operation
• Application-specific dimensions and fitment
• Allows targeted repair without purchasing a complete gasket set

Specifications

• Brand: Vertex
• Product Type: Exhaust Power Valve Bellows
• Manufacturer Part Number: 817978

Vehicle Fitment

Compatible Make(s): Polaris

• 440 XCR (1998-1999)

Fitment Note: Confirm the exact year, model, engine, trim, and required component configuration before ordering. Professional installation and measurement of all engine clearances are recommended where applicable.