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Manley Race Series Stainless Steel Valves 11666H-1 Valves, Series, Intake, NK-842 Steel, 4.955 in. Overall Length, Chrysler, Dodge, 5.7L, Set of 8

SKU: MAN11666H-1

Valves

Manley Race Series Stainless Steel Valves 11666H-1 Valves, Series, Intake, NK-842 Steel, 4.955 in. Overall Length, Chrysler, Dodge, 5.7L, Set of 8

SKU: MAN11666H-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 10:09:06

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11666H-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298004945
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.020 in.
Product Attributes - Intake Valve Head Diameter (mm)
51.300mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.312 in.
Product Attributes - Intake Valve Stem Diameter (mm)
7.90mm
Product Attributes - Intake Overall Valve Length (in.)
4.955 in.
Product Attributes - Intake Overall Valve Length (mm)
126.000mm
Product Attributes - Undercut Stem
Yes
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.120 in.
Product Attributes - Valve Tip Length (mm)
3.050mm
Product Attributes - Valve Material
NK-842 stainless steel
Product Attributes - Lock Groove Quantity
3-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
92
Product Attributes - Valve Head Style
5 degree dish
Product Attributes - Valve Seat Width (in.)
0.085 in.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Hollow valve stem.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11666H-1
SFX Item ID 4930364
Supplier Item Code 4930364
Manufacturer SKU 11666H-1
Manufacturer UPC 807298004945
Alternative References NK-842, 5.7L

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year2005
    Ending Year2008
    Engine TypeV8
    Engine Size5.7L/345
    Engine FamilyMopar Hemi Gen III
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year2003
    Ending Year2008
    Engine TypeV8
    Engine Size5.7L/345
    Engine FamilyMopar Hemi Gen III
    Valve Installed LengthStock

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