MANLEY 11177-12 Exhaust Valve Kit Race Series for NISSAN Patrol TB48DE Engine (Y61)

MANLEY 11177-12 Race Series Exhaust Valve Kit for Nissan Patrol TB48DE Engine (Y61)

The MANLEY 11177-12 Exhaust Valve Kit is part of the Race Series line, engineered for high-performance applications in the Nissan Patrol TB48DE (Y61) engine. Designed for racing environments such as bracket, drag, and oval track competition under 8000 RPM, these valves are built from XH-426 stainless steel to ensure maximum strength and thermal stability. With chrome stems, hardened tips, and precision-machined surfaces, the kit offers optimal durability and flow efficiency—ideal for alcohol-fueled engines operating under severe conditions.

• Constructed from XH-426 stainless steel for extreme durability
• Chrome-plated stems and hardened tips for increased wear resistance
• Swirl-polished underhead and fully machined combustion face for optimized airflow
• Available in Race Master (straight stem) and Race Flo configurations
• Recommended for use in alcohol-fueled high-performance engines

Specifications:

• Product Market: Sport Compact
• Head Diameter: 35.00 mm
• Stem Diameter: 0.274 in / 6.96 mm
• Overall Length: 98.30 mm
• Tip Length: 3.56 mm
• Margin Width: 0.050 in
• Seat Width: 0.100 in
• Top of Head: Flat Face
• Underhead Angle: 25.00°
• Underhead Radius: 3/8 in
• Valve Series: Race Series
• Valve Type: Exhaust
• Product Type: Engine Exhaust Valve Kit
• Valve Quantity: 12
• Engine Detail: DOHC 24 Valve (Nissan Patrol TB48DE)