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Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11388-1 Valve, Intake, Steel, 2.180 in. Diameter, .372 in. Stem, 5.000 in. Length, Mopar, Each

SKU: MAN11388-1

Valves

Manley Race Series Stainless Steel Valves 11388-1 Valve, Intake, Steel, 2.180 in. Diameter, .372 in. Stem, 5.000 in. Length, Mopar, Each

Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11388-1 Valve, Intake, Steel, 2.180 in. Diameter, .372 in. Stem, 5.000 in. Length, Mopar, Each

SKU: MAN11388-1

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 10:10:17

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11388-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298001838
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.180 in.
Product Attributes - Intake Valve Head Diameter (mm)
55.372mm
Product Attributes - Intake Valve Stem Diameter (in.)
0.372 in.
Product Attributes - Intake Valve Stem Diameter (mm)
9.50mm
Product Attributes - Intake Overall Valve Length (in.)
5.000 in.
Product Attributes - Intake Overall Valve Length (mm)
127.000mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.275 in.
Product Attributes - Valve Tip Length (mm)
6.990mm
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)
134
Product Attributes - Valve Head Style
7 degree dish
Product Attributes - Valve Seat Width (in.)
0.080 in.
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11388-1
SFX Item ID 4929199
Supplier Item Code 4929199
Manufacturer SKU 11388-1
Manufacturer UPC 807298001838

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1961
    Ending Year1964
    Engine TypeV8
    Engine Size5.9L/361
    Engine FamilyMopar big block B
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Engine Size7.0L/426
    Engine FamilyMopar big block RB
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration

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