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Manley Budget Series Performance Valves
Valves, Intake, Stainless Steel, 2.055 in. Diameter, .342 in. Stem, 5.011 in. Length, Chevy, Set of 8
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Estimated Ship Date: Dec 14, 2026
Overview
Brand:
Manufacturer's Part Number:
10556-8
Part Type:
Product Line:
Summit Racing Part Number:
MAN-10556-8
UPC:
807298047010
Valve Position:
Intake
Intake Valve Head Diameter (in.):
2.055 in.
Intake Valve Head Diameter (mm):
52.197 mm
Intake Valve Stem Diameter (in.):
0.342 in.
Intake Valve Stem Diameter (mm):
8.69mm
Intake Overall Valve Length (in.):
5.011 in.
Intake Overall Valve Length (mm):
127.279mm
Undercut Stem:
No
Swirl-Polished:
Yes
Valve Tip Length (in.):
0.250 in.
Valve Tip Length (mm):
6.350mm
Valve Material:
NK-840 stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Approximate Weight (g):
113
Valve Head Style:
6 degree dish
Valve Seat Width (in.):
0.080 in.
Quantity:
Sold as a set of 8.
Manley Budget Series Performance Valves
Manley Budget series performance valves are high-quality valves at very affordable prices. All are made from stainless steel (intakes are NK-480; exhausts are XH-422) with chrome stems and hardened valve tips. They're also swirl polished and fully machined. Both the materials used and the heat-treating process are superior to original equipment replacement pieces. These valves are available in stock length and 0.100 in. longer.
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