Pro-X Intake Valve Stem Seal - Honda | CRF250R 2022-22026 | CRF450R 2009-2026

High-Performance Pro-X Intake Valve Stem Seals - Honda CRF

Keep your engine running clean and prevent oil blow-by with Pro-X Intake Valve Stem Seals. Engineered to exceed OEM standards, these seals are the go-to choice for professional engine builders and weekend warriors alike.

Key Features & Benefits:

• Superior Oil Control: Prevents unwanted oil from entering the combustion chamber, reducing smoke and carbon buildup.
• High-Heat Resistance: Manufactured from premium fluoropolymer (Viton) to withstand the extreme temperatures of high-revving motocross engines.
• Precision Fit: Designed as a direct drop-in replacement for a leak-free seal every time.
• Durability: Highly resistant to modern fuels and additives that can degrade standard rubber seals.

Precision Fitment Guide

This single part number offers a precision fit for the following Honda motocross models:

Note: Sold individually 

Why Choose Pro-X?

Pro-X Racing Parts are known globally for their commitment to quality and OEM-plus performance. When you're pushing your CRF to the limit, don't settle for "close enough"—use seals that are built for the track.