Brian Crower BC3801-2 Stainless Steel Exhaust Valve Set 29.2mm STD for Polaris Pro-R

Brian Crower valves are built to deliver performance and reliability in high-demand powersports applications, including high-boost and high-rpm builds.

Key Features:

• One-piece construction with a friction welded Stellite tip for maximum durability and performance
• Premium grade, heat resistant stainless steel material for reliable operation under high boost and extended high-rpm use
• Undercut stem design above the head area reduces overall valve weight for extended rpm potential
• Improved airflow — the undercut stem geometry significantly improves exhaust gas flow out of the combustion chamber
• Standard (STD) diameter — 29.2mm head diameter for direct OEM replacement fitment

Brian Crower, Inc. was founded to deliver high-quality, high-performance internal engine components at competitive prices. Every BC valve is tested on precision measuring instruments for accuracy and metallurgical integrity, ensuring a perfect fit and finish right out of the box.