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Manley Race Series Gen II Custom Valves
Valve, Intake, Stainless Steel, 1.890 in. Diameter, .275 in. Stem, 5.430 in. Length, Set of 8
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Estimated Ship Date: Dec 21, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11250-8
Part Type:
Product Line:
Summit Racing Part Number:
MAN-11250-8
Item Number:
2204395
UPC:
807298043401
Valve Position:
Intake
Intake Valve Head Diameter (in.):
1.890 in.
Intake Valve Head Diameter (mm):
48.000 mm
Intake Valve Stem Diameter (in.):
0.275 in.
Intake Valve Stem Diameter (mm):
7.00mm
Intake Overall Valve Length (in.):
5.430 in.
Intake Overall Valve Length (mm):
137.922mm
Undercut Stem:
No
Swirl-Polished:
No
Valve Material:
NK-842 stainless steel
Lock Groove Quantity:
1-groove
Lock Groove Style:
Conventional
Valve Head Style:
5 degree dish
Valve Seat Width (in.):
0.080 in.
Quantity:
Sold as a set of 8.
Notes:
Underhead angle/radius 10 x .375 in. Margin 0.065 in.
Manley Race Series Gen II Custom Valves
Do you have a boosted, high-heat, high-horsepower engine? Manley offers custom race valves for your high performance engine. These Race Series Gen II custom valves are manufactured from XH-426 (exhaust) and NK-842 (intake) materials with hard tips and hardened grooves. They are tailored to length, groove position, head diameter, margin, and other specifications that you request when ordering. So, whether you're building an engine or are a serious racer, Manley is committed to seeing that you're there at the finish.
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Some parts are not legal for use in California or other states with similar laws / regulations
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