Manley 12802-8 Big Block Chevy Severe Duty Intake Valves 2.250

The Manley 12802-8 Severe Duty intake valves are engineered for Big Block Chevy applications demanding superior performance and durability. These professional-grade valves feature a 2.250-inch head diameter with .3110-inch stem diameter, designed to stock height specifications for optimal fitment.

Key Features:

• Big Block Chevy application with 2.250" head diameter
• .3110" (7.9mm) stem diameter for precise valve guide clearance
• Stock installed height for easy installation
• Premium stainless steel NK-844 material construction
• Chrome hardened stems for extended durability
• Hardened valve tips resist wear from rocker arm contact
• Swirl polished and fully machined for optimal flow
• Bead Loc keeper grooves for secure valve lock retention

Manley Performance is recognized as a leading manufacturer of racing and performance valves, with a reputation built on exceptional quality and reliability. The Severe Duty series valves are an excellent choice for bracket racing, oval track, or high-performance street engines that demand components capable of withstanding extreme operating conditions. Each set includes 8 valves.

Note: These .311" stem valves are only available with Bead Loc keeper grooves for maximum security under high-RPM operation.