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Manley Severe Duty Series Stainless Steel Valves 11231-1 Valve, Exhaust, Steel, 1.600 in. Diameter, .313 in. Stem, 5.040 in. Length, Chevy, Each

SKU: MAN11231-1

Valves

Manley Severe Duty Series Stainless Steel Valves 11231-1 Valve, Exhaust, Steel, 1.600 in. Diameter, .313 in. Stem, 5.040 in. Length, Chevy, Each

SKU: MAN11231-1

Valves
A$102.76
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, 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

Valve-S/D 1.600-+.100

Data: v4.2 - Upd: 2026-10-14 10:11:52

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11231-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Severe Duty Series Stainless Steel Valves
Product Attributes - UPC
807298048000
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.600 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
40.640mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.313 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
7.95mm
Product Attributes - Exhaust Overall Valve Length (in.)
5.040 in.
Product Attributes - Exhaust Overall Valve Length (mm)
128.016mm
Product Attributes - Undercut Stem
Yes
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
Stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
94
Product Attributes - Valve Head Style
15 degree dish
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11231-1
SFX Item ID 4927753
Supplier Item Code 4927753
Manufacturer SKU 11231-1
Manufacturer UPC 807298048000

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
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2002
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1968
    Ending Year1973
    Engine TypeV8
    Engine Size5.0L/307
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • 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
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1976
    Ending Year2002
    Engine TypeV8
    Engine Size5.0L/305
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration

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