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): 1.550 in.
Valve Head Diameter (mm): 39.370mm
Undercut Stem: No
Overall Valve Length (in): 4.923 in.
Overall Valve Length (mm): 125.044mm
Valve Stem Diameter (in): 0.314 in.
Valve Stem Diameter (mm): 7.976mm
Valve Tip Length (in): 0.175 in.
Valve Tip Length (mm): 4.445mm
Valve Material: XH-426 stainless steel
Lock Groove Quantity: 1-groove
Lock Groove Style: Conventional
Approximate Weight (g): 87
Valve Head Style: 18 degree dish
Valve Seat Width (in): 0.115 in.
Quantity: Sold as a set of 8.