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Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11861-1 Valve, Exhaust, Steel, 1.500 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each

SKU: MAN11861-1

Valves

Manley Race Series Stainless Steel Valves 11861-1 Valve, Exhaust, Steel, 1.500 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each

Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11861-1 Valve, Exhaust, Steel, 1.500 in. Diameter, .3415 in. Stem, 4.951 in. Length, Each

SKU: MAN11861-1

Valves
A$69.24
LAST ONE! Est Ship 4-7 days. In stock at 1 location (only 1 available)

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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

SBC R/M 1.500in Exhaust Valve

Data: v4.2 - Upd: 2026-10-14 10:11:19

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11861-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298054247
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.500 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
38.100mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.342 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
8.67mm
Product Attributes - Exhaust Overall Valve Length (in.)
4.951 in.
Product Attributes - Exhaust Overall Valve Length (mm)
125.755mm
Product Attributes - Undercut Stem
No
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.290 in.
Product Attributes - Valve Tip Length (mm)
7.366mm
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)
96
Product Attributes - Valve Head Style
9 degree dish
Product Attributes - Valve Seat Width (in.)
0.100 in.
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11861-1
SFX Item ID 4928235
Supplier Item Code 4928235
Manufacturer SKU 11861-1
Manufacturer UPC 807298054247

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine Size5.4L/327
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1968
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2000
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyChevy small block Gen I
    Valve Installed LengthStock

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