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Manley Performance

Manley Performance

Manley Severe Duty Series Stainless Steel Valves 11858-1 Valve, Intake, Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Each

SKU: MAN11858-1

Valves
Manley Severe Duty Series Stainless Steel Valves 11858-1 Valve, Intake, Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Each
Manley Performance

Manley Performance

Manley Severe Duty Series Stainless Steel Valves 11858-1 Valve, Intake, Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Each

SKU: MAN11858-1

Valves
A$106.71
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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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

SBC S/D 2.080in Intake Valve

Data: v4.2 - Upd: 2026-10-14 10:10:18

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11858-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Severe Duty Series Stainless Steel Valves
Product Attributes - UPC
807298054186
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.080 in.
Product Attributes - Intake Valve Head Diameter (mm)
52.832mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.341 in.
Product Attributes - Intake Valve Stem Diameter (mm)
8.66mm
Product Attributes - Intake Overall Valve Length (in.)
5.140 in.
Product Attributes - Intake Overall Valve Length (mm)
130.556mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.290 in.
Product Attributes - Valve Tip Length (mm)
7.366mm
Product Attributes - Valve Material
NK-844 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
129
Product Attributes - Valve Head Style
5 degree dish
Product Attributes - Valve Seat Width (in.)
0.080 in.
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11858-1
SFX Item ID 4929111
Supplier Item Code 4929111
Manufacturer SKU 11858-1
Manufacturer UPC 807298054186

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine Size5.4L/327
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1968
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2000
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over

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