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Manley Severe Duty Series Stainless Steel Valves 11904B-1 Valves, Intake, Steel, 2.250 in. Diameter, .309 in. Stem, 5.424 in. Length, 426 Hemi, Each

SKU: MAN11904B-1

Valves

Manley Severe Duty Series Stainless Steel Valves 11904B-1 Valves, Intake, Steel, 2.250 in. Diameter, .309 in. Stem, 5.424 in. Length, 426 Hemi, Each

SKU: MAN11904B-1

Valves
A$108.05
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

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.

Part Type

Valves

Data: v4.2 - Upd: 2026-10-14 10:11:06

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11904B-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Severe Duty Series Stainless Steel Valves
Product Attributes - UPC
807298066424
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.250 in.
Product Attributes - Intake Valve Head Diameter (mm)
57.150mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.309 in.
Product Attributes - Intake Valve Stem Diameter (mm)
7.85mm
Product Attributes - Intake Overall Valve Length (in.)
5.424 in.
Product Attributes - Intake Overall Valve Length (mm)
137.770mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.200 in.
Product Attributes - Valve Tip Length (mm)
5.080mm
Product Attributes - Valve Material
NK-842 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Beadlock
Product Attributes - Approximate Weight (g)
136
Product Attributes - Valve Head Style
20 degree dish
Product Attributes - Valve Seat Width (in.)
0.095 in.
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11904B-1
SFX Item ID 4928617
Supplier Item Code 4928617
Manufacturer SKU 11904B-1
Manufacturer UPC 807298066424

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1966
    Ending Year1971
    Engine TypeV8
    Engine Size7.0L/426
    Engine FamilyMopar Hemi
    Valve Installed LengthStock
    Cylinder Head TypeStock configuration

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