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Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11719-1 Valve, Exhaust, XH-426 Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each

SKU: MAN11719-1

Valves

Manley Race Series Stainless Steel Valves 11719-1 Valve, Exhaust, XH-426 Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each

Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11719-1 Valve, Exhaust, XH-426 Steel, 1.880 in. Diameter, .342 in. Stem, 5.552 in. Length, Chevy, Each

SKU: MAN11719-1

Valves
A$71.27
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 10:11:39

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11719-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298004143
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.)
5.522 in.
Product Attributes - Exhaust Overall Valve Length (mm)
140.259mm
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-426 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
20 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Underhead angle/radius 25 x .375 in. Margin 0.075 in.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11719-1
SFX Item ID 4927889
Supplier Item Code 4927889
Manufacturer SKU 11719-1
Manufacturer UPC 807298004143
Alternative References XH-426

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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