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Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8)

SKU: MAN11891-8

Valves

MAN Race Flo Valves...

Manley Chrysler 361-383 1.810 Head Dia 4.908 OA L Dish Race Flo Exhaust Valves (Set of 8)

SKU: MAN11891-8

Valves

MAN Race Flo Valves...

A$384.44
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-10-13 17:07:30

Features

  • Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
  • Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
  • Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
  • Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
  • Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11891-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298054896
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.)
0.372 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
9.50mm
Product Attributes - Exhaust Overall Valve Length (in.)
4.908 in.
Product Attributes - Exhaust Overall Valve Length (mm)
124.663mm
Product Attributes - Undercut Stem
Yes
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
XH-426 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
121
Product Attributes - Valve Head Style
5 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold as a set of 8.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11891-8
SFX Item ID 4060877
Supplier Item Code 4060877
Manufacturer SKU 11891-8
Manufacturer UPC 807298054896

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1959
    Ending Year1965
    Engine TypeV8
    Engine Size6.8L/413
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Engine Size7.0L/426
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Application NotesFits wedge engines only.
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1972
    Ending Year1978
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyMopar big block B
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1961
    Ending Year1963
    Engine TypeV8
    Engine Size6.8L/413
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1963
    Ending Year1966
    Engine TypeV8
    Engine Size7.0L/426
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Application NotesFits wedge engines only.
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1965
    Ending Year1965
    Engine TypeV8
    Engine Size6.7L/413
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1966
    Ending Year1979
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeDODGE
    Beginning Year1971
    Ending Year1978
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyMopar big block B
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakePLYMOUTH
    Beginning Year1963
    Ending Year1966
    Engine TypeV8
    Engine Size7.0L/426
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
    Application NotesFits wedge engines only.
  • Valve FitmentSearch by engine
    MakePLYMOUTH
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine Size7.2L/440
    Engine FamilyMopar big block RB
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakePLYMOUTH
    Beginning Year1972
    Ending Year1978
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyMopar big block B
    Valve Installed LengthStock

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