Manley Severe Duty Pro Flo Series Stainless Steel Valves 11502-1

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Part Number: MAN-11502-1

$30.61

Valve, Intake, Stainless Steel, 4.730 in. Length, 1.710 in. Diameter, 0.3415 in. Diameter Stem, Buick V6, Each
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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11502-1

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11502-1

MAN-11502-1

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Part Number: MAN-11502-1

Estimated Ship Date: Oct 26, 2026

$30.61

Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
11502-1
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11502-1
UPC:
807298049076
Valve Position:
Intake
Intake Valve Head Diameter (in.):
1.710 in.
Intake Valve Head Diameter (mm):
43.434 mm
Intake Valve Stem Diameter (in.):
0.341 in.
Intake Valve Stem Diameter (mm):
8.66mm
Intake Overall Valve Length (in.):
4.730 in.
Intake Overall Valve Length (mm):
120.142mm
Undercut Stem:
Yes
Swirl-Polished:
Yes
Valve Tip Length (in.):
0.270 in.
Valve Tip Length (mm):
6.858mm
Valve Material:
NK-844 stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Approximate Weight (g):
95
Valve Head Style:
7 degree dish
Valve Seat Width (in.):
0.080 in.
Quantity:
Sold individually.

Manley Severe Duty Pro Flo Series Stainless Steel Valves

Manley Severe Duty Pro Flo Series intake and exhaust 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 fully machined and swirl polished, and offer improved flow with undercut "Pro Flo" stems. Many size options are available, for applications from 1955 and up.

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