Manley 11682-8 Severe Duty Pro Flo Intake Valve 2.080" 8mm LS1/LS2/LS6

The Manley 11682-8 Severe Duty Pro Flo intake valves are precision-engineered performance valves designed for GM LS1, LS2, and LS6 engines. These high-quality valves are ideal for bracket racing, oval track, and high-performance street applications where reliability and improved flow are critical.

Key Features:

• NK-844 stainless steel construction for superior strength and durability
• 2.080 inch head diameter with 8mm (0.3133 inch) stem diameter
• 4.874 inch overall length at stock installed height
• Chrome stems with hardened valve tips to prevent rocker arm wear
• Pro Flo undercut stem design with 12° x 3/8" underhead angle for improved flow
• Fully machined and swirl polished for optimal performance
• 0.050 inch margin and 0.095 inch seat width
• 7° dish top of head design
• 0.175 inch tip length

Manley Performance Products has been a leading manufacturer of racing valves since 1966, delivering proven performance for demanding applications. Each set includes 8 valves manufactured to exacting specifications for consistent quality and performance.