SPI Exhaust Valve Bellow for Ski-Doo 1996 - 2020 models Replaces OEM# 420260723

Exhaust Valve Bellow for for Ski-Doo

This Exhaust Valve Bellow for for Ski-Doo snowmobiles regulates the variable exhaust port timing and replaces OEM 420260723.

Overview

The Exhaust Valve Bellow for for Ski-Doo operates the Rave exhaust valves to optimize engine power delivery. This Exhaust Valve Bellow for for Ski-Doo is constructed to endure high exhaust heat and pressure cycling. Riders use this Exhaust Valve Bellow for for Ski-Doo to maintain engine performance throughout the season.

Built For Performance

• Heat resistant rubber compound
• Designed for repetitive expansion
• Matches factory sealing pressure
• Resists chemical degradation from exhaust
• Ensures proper valve timing

Fits These Machines

• for Ski-Doo 1996 - 2020 models

On-The-Job Use

• Routine exhaust valve cleaning
• Repairing leaking valve seals
• Restoring engine power band

Specs At A Glance

Good To Know

Q: How often should these be inspected? A: Inspect the bellows annually during exhaust valve cleaning to check for dry rot or tears.

Q: Does a torn bellow affect engine performance? A: Yes, a damaged bellow causes exhaust gas leaks and prevents the Rave valves from operating, leading to power loss.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.