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Manley Race Series Stainless Steel Valves 11381-1 Valve, Exhaust, Steel, 1.810 in. Diameter, .342 in. Stem, 5.400 in. Length, Mopar, Each

SKU: MAN11381-1

Valves

Manley Race Series Stainless Steel Valves 11381-1 Valve, Exhaust, Steel, 1.810 in. Diameter, .342 in. Stem, 5.400 in. Length, Mopar, Each

SKU: MAN11381-1

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 10:12:08

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11381-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298048963
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.810 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
45.974mm
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.)
5.400 in.
Product Attributes - Exhaust Overall Valve Length (mm)
137.200mm
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)
118
Product Attributes - Valve Head Style
6 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for the Indy 440-1 cylinder heads.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11381-1
SFX Item ID 4927338
Supplier Item Code 4927338
Manufacturer SKU 11381-1
Manufacturer UPC 807298048963

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Cylinder Head TypeIndy 440-1

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