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Manley Race Series Stainless Steel Valves 11390H-1 Valves, Intake, Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

SKU: MAN11390H-1

Valves

Manley Race Series Stainless Steel Valves 11390H-1 Valves, Intake, Steel, 2.055 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

SKU: MAN11390H-1

Valves
A$173.71
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 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 10:11:06

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11390H-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298019727
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.055 in.
Product Attributes - Intake Valve Head Diameter (mm)
52.197mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.313 in.
Product Attributes - Intake Valve Stem Diameter (mm)
7.95mm
Product Attributes - Intake Overall Valve Length (in.)
4.874 in.
Product Attributes - Intake Overall Valve Length (mm)
123.800mm
Product Attributes - Undercut Stem
Yes
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.175 in.
Product Attributes - Valve Tip Length (mm)
4.445mm
Product Attributes - Valve Material
NK-842 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
7 degree dish
Product Attributes - Valve Seat Width (in.)
0.095 in.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Hollow valve stem.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11390H-1
SFX Item ID 4928558
Supplier Item Code 4928558
Manufacturer SKU 11390H-1
Manufacturer UPC 807298019727

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Valve Installed LengthStock
    Cylinder Head TypeLS6
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1997
    Ending Year2004
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Valve Installed LengthStock
    Cylinder Head TypeTrick Flow Gen X
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year2005
    Ending Year2009
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Valve Installed LengthStock
    Cylinder Head TypeLS6
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year2005
    Ending Year2009
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Valve Installed LengthStock
    Cylinder Head TypeTrick Flow Gen X

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