Manley 11142-12 Race Flo Intake Valve Kit Nissan TB48 38.5mm 12-Pack

The Manley 11142-12 is a high-performance Race Flo intake valve designed specifically for Nissan Patrol 4.8L TB48 engines. This Race Series valve is meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and is the ultimate choice for engines operating under 8000 RPM. With a 38.5mm head diameter and 100.21mm overall length, this valve delivers enhanced airflow for increased horsepower and torque.

Key Features:

• Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability
• Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance
• Swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency
• Race Flo design optimizes valve flow characteristics for maximum performance
• Precision-engineered to exact OEM specifications for perfect fitment
• Ideal for performance street engines, bracket racing, and oval track applications

Manley Performance has been manufacturing premium engine components since 1966, bringing decades of racing experience and engineering expertise to every valve produced. This intake valve is part of Manley's Race Series lineup, designed to deliver reliable performance in high-stress racing environments while maintaining excellent durability for street performance applications.