Manley Performance Valve, Exhaust, Severe Duty, Stainless Steel, 1.880 In. Diameter

Manley Severe Duty series performance valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are made of superior materials, are fully machined and swirl polished, and are available with either undercut "Pro Flo" stems or straight stems.

• Valve Head Diameter (in):1.880 in.
• Valve Head Diameter (mm):47.752mm
• Valve Stem Diameter (in):0.342 in.
• Valve Stem Diameter (mm):8.67mm
• Overall Valve Length (in):5.655 in.
• Overall Valve Length (mm):143.637mm
• Undercut Stem:No
• Swirl-Polished:Yes
• Valve Tip Length (in):0.260 in.
• Valve Tip Length (mm):6.604mm
• Valve Material:XH-426 stainless steel
• Lock Groove Quantity:1-groove
• Lock Groove Style:Conventional
• Approximate Weight (g):129
• Valve Head Style:20 degree dish
• Valve Seat Width (in):0.100 in.
• Quantity:Sold individually.