Manley 11180-12 Race Flo Intake Valve Set Nissan Patrol - 40.5mm SR20DE

The Manley 11180-12 is a high-performance Race Flo intake valve set designed for Nissan Patrol 4.8L DOHC 24-valve VTC engines, featuring a 40.5mm head diameter and .274-inch stem diameter. These valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ideal choice for high-performance street and racing applications operating under 8,000 RPM. This set includes 12 intake valves.

Key Features:

• High-quality stainless steel construction (NK-842 alloy) for unparalleled durability
• Chrome stems and hard tips 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 profile design for improved flow characteristics
• 100.21mm overall length for precise fitment
• .2740-inch stem diameter for proper valve guide clearance

Manley Performance has been producing premium racing engine components since 1966, combining decades of racing experience with precision manufacturing to deliver components that meet the highest standards of quality and performance. These Race Series valves represent the perfect balance of durability, performance, and value for serious performance enthusiasts.