Manley Performance Valves, Exhaust, Stainless Steel, 1.940 In. Diameter, .308 In. Stem

Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.

• Valve Head Diameter (in):1.940 in.
• Valve Head Diameter (mm):49.276mm
• Valve Stem Diameter (in):0.308 in.
• Valve Stem Diameter (mm):7.82mm
• Overall Valve Length (in):4.865 in.
• Overall Valve Length (mm):123.571mm
• Undercut Stem:No
• Swirl-Polished:Yes
• Valve Tip Length (in):0.200 in.
• Valve Tip Length (mm):5.080mm
• Valve Material:XH-426 stainless steel
• Lock Groove Quantity:1-groove
• Lock Groove Style:Conventional
• Approximate Weight (g):107
• Valve Head Style:18 degree dish
• Valve Seat Width (in):0.100 in.
• Quantity:Sold as a set of 8.