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Manley Performance

Manley Performance

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11359-1 Valves, VALVE-S/D 1.600,+.600

SKU: MAN11359-1

Valves
Manley Severe Duty Pro Flo Series Stainless Steel Valves 11359-1 Valves, VALVE-S/D 1.600,+.600
Manley Performance

Manley Performance

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11359-1 Valves, VALVE-S/D 1.600,+.600

SKU: MAN11359-1

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 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.

Part Type

Valves

Data: v4.2 - Upd: 2026-10-14 10:09:36

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11359-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Severe Duty Pro Flo Series Stainless Steel Valves
Product Attributes - UPC
807298018089
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.)
0.311 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
7.89mm
Product Attributes - Exhaust Overall Valve Length (in.)
5.540 in.
Product Attributes - Exhaust Overall Valve Length (mm)
140.716imm
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
XH-428 stainless steel
Product Attributes - Lock Groove Quantity
1-groove beadlock-style
Product Attributes - Lock Groove Style
Beadlock
Product Attributes - Approximate Weight (g)
99
Product Attributes - Valve Head Style
9 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Underhead Angle 15° Radius 1/2 in. Margin .080

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11359-1
SFX Item ID 4929864
Supplier Item Code 4929864
Manufacturer SKU 11359-1
Manufacturer UPC 807298018089

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine Size4.3L/265
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Engine Size4.6L/283
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine Size5.3L/327
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1964
    Ending Year1967
    Engine TypeV8
    Engine Size5.4L/327
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2002
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1968
    Ending Year1973
    Engine TypeV8
    Engine Size5.0L/307
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine Size4.3L/262
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1976
    Ending Year2002
    Engine TypeV8
    Engine Size5.0L/305
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1979
    Ending Year1982
    Engine TypeV8
    Engine Size4.4L/267
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.600 in. over
    Cylinder Head TypeStock configuration
    Application NotesUnderhead Angle 15° Radius 1/2 in. Margin .080

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