Manley 11137-1 Sport Compact Race Series Stainless Steel Performance Valve

The Manley 11137-1 Race Series valve is engineered for high-performance sport compact engines, utilizing premium stainless steel alloy construction designed to withstand extreme operating conditions. These precision-manufactured valves deliver superior flow characteristics and durability for both street and competition applications.

Key Features:

• Race Series stainless steel alloy construction for maximum strength and heat resistance
• Chrome-plated stems provide excellent wear resistance and smooth operation
• Swirl polished under-head surface optimizes combustion chamber flow
• Fully hardened tips resist wear from aggressive valve train components
• Completely machined combustion faces ensure precise sealing and heat transfer
• Controlled margin heights engineered for optimal strength-to-weight ratio
• Precision stem-to-seat concentricity for reliable sealing and extended service life
• Pro-Flo design with reduced stem diameter in fillet area increases flow while reducing reciprocating mass

Manley Race Series valves are suitable for demanding applications ranging from aggressive street builds to high-horsepower racing engines producing 1000+ horsepower. The stainless steel construction provides excellent resistance to corrosion and thermal fatigue in turbocharged, supercharged, and naturally aspirated engines.