Brian Crower BC3101 Exhaust Valves for 1990-2006 Mitsubishi/Eagle/Plymouth 4G63

Vehicle Fitment

• 1990-1999 Mitsubishi Eclipse (4G63 Engine)
• 1990-1994 Plymouth Laser RS (4G63 Engine)
• 1991-1999 Eagle Talon/Tsi (4G63 Engine)
• 2003-2006 Mitsubishi Lancer Evolution VIII-IX (4G63 Engine)

Features

• 30.5mm exhaust valve diameter (standard OEM size)
• Premium heat-resistant stainless steel construction
• Friction-welded Stellite tip for enhanced durability
• Undercut stem design reduces weight and improves airflow
• Swirl-polished finish for optimized air/fuel mixture
• One-piece design for high strength and reliability
• Ideal for high RPM and high boost performance applications
• Sold individually; 8 valves required per engine

Specifications

• Valve Head Diameter: 30.5mm
• Stem Diameter: 6.54mm
• Overall Length: 109.6mm
• Material: Stainless Steel with Stellite tip
• Valve Type: Exhaust / Dished
• Compatibility: Mitsubishi/Eagle/Plymouth 4G63 engines

Included Components

• 1x Brian Crower BC3101 Exhaust Valve

Product Description

The Brian Crower BC3101 Exhaust Valve is engineered for 4G63 engines found in Mitsubishi Eclipse, Plymouth Laser RS, and Eagle Talon/Tsi models, as well as Lancer Evolution VIII-IX. Designed for performance enthusiasts, these valves enhance airflow and reliability at high RPMs and under boost conditions.

Made from premium heat-resistant stainless steel with a friction-welded Stellite tip, the BC3101 provides exceptional durability. The undercut stem reduces weight for improved engine responsiveness, while the swirl-polished finish ensures optimal air/fuel mixture.

Sold individually, a complete engine requires 8 valves. Fully compatible with OEM dimensions, these valves are ideal for rebuilds, high-performance street, or track applications.