MANLEY 11134-8 Intake Valve Kit Race Series for MITSUBISHI 4G63 / 4G63T Engine

MANLEY 11134-8 Race Series Intake Valve Kit for Mitsubishi 4G63 / 4G63T Engine

The MANLEY 11134-8 Intake Valve Kit is part of the Race Series line, purpose-built for high-performance Mitsubishi 4G63 and 4G63T engines. Developed to meet the demands of drag, bracket, and oval track racing under 8000 RPM, these valves are crafted from NK-842 stainless steel for excellent thermal stability, wear resistance, and intake airflow performance. Featuring a swirl-polished underhead and fully machined combustion face, they deliver optimal efficiency for sport compact and alcohol-fueled engines operating in extreme conditions.

• NK-842 stainless steel intake valves for superior strength and durability
• Chrome-plated stems and hard tips for enhanced wear resistance
• Swirl-polished underhead and fully machined combustion surface
• Available in Race Master (straight stem) and Race Flo configurations
• Designed for high-performance engines, including alcohol-fueled applications

Specifications:

• Product Market: Sport Compact
• Head Diameter: 34.00 mm
• Stem Diameter: 0.2587 in / 6.57 mm
• Overall Length: 109.70 mm
• Tip Length: 3.80 mm
• Margin Width: 0.050 in
• Seat Width: 0.075 in
• Top of Head: 15° Dish
• Underhead Angle (Pro Flo): 20.00°
• Underhead Radius: 11/32 in
• Valve Series: Race Series
• Valve Type: Intake
• Product Type: Engine Intake Valve Kit
• Valve Quantity: 8
• Engine Detail: DOHC 16 Valve (Mitsubishi 4G63 / 4G63T)