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Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11305-1 Valve, Exhaust, Steel, 1.60 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Each

SKU: MAN11305-1

Valves

Manley Race Series Stainless Steel Valves 11305-1 Valve, Exhaust, Steel, 1.60 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Each

Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11305-1 Valve, Exhaust, Steel, 1.60 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Each

SKU: MAN11305-1

Valves
A$74.56
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 Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.

Part Type

Valves

Data: v4.2 - Upd: 2026-10-14 10:08:49

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11305-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298048222
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)
7.90mm
Product Attributes - Exhaust Overall Valve Length (in.)
5.040 in.
Product Attributes - Exhaust Overall Valve Length (mm)
128.016mm
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-426 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Beadlock
Product Attributes - Approximate Weight (g)
94
Product Attributes - Valve Head Style
9 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11305-1
SFX Item ID 4930445
Supplier Item Code 4930445
Manufacturer SKU 11305-1
Manufacturer UPC 807298048222

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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