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Manley Street Master Valves 10881-8 Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, Stock Length, 5.422 in. Length, Each

SKU: MAN10881-8

Valves

Manley Street Master Valves 10881-8 Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, Stock Length, 5.422 in. Length, Each

SKU: MAN10881-8

Valves
A$310.40
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Manley Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-10-14 10:11:39

Features

  • Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.
  • High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.
  • Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.
  • Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
10881-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Street Master Valves
Product Attributes - UPC
807298077222
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.880 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
47.752mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.342 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
8.69mm
Product Attributes - Exhaust Overall Valve Length (in.)
5.422 in.
Product Attributes - Exhaust Overall Valve Length (mm)
137.719mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.250 in.
Product Attributes - Valve Tip Length (mm)
6.350mm
Product Attributes - Valve Material
XH-424 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
122
Product Attributes - Valve Head Style
6 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold as a set of 8.
Product Attributes - Notes
Underhead angle/radius 10 x .375 in. Margin 0.075 in.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man10881-8
SFX Item ID 4927925
Supplier Item Code 4927925
Manufacturer SKU 10881-8
Manufacturer UPC 807298077222

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine Size6.5L/396
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine Size7.0L/427
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine Size6.6L/402
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine Size7.4L/454
    Engine FamilyChevy big block Gen V
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine Size7.4L/454
    Engine FamilyChevy big block Gen VI
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration

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