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Manley Race Series Stainless Steel Valves 11722-1 Valve, Intake, NK-842 Stainless, 2.250 in. Head Diameter, 5.244 in. Length, Chevy, Big Block, Each

SKU: MAN11722-1

Valves

Manley Race Series Stainless Steel Valves 11722-1 Valve, Intake, NK-842 Stainless, 2.250 in. Head Diameter, 5.244 in. Length, Chevy, Big Block, Each

SKU: MAN11722-1

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 10:08:48

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11722-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298004594
Product Attributes - Valve Position
Intake
Product Attributes - Intake Valve Head Diameter (in.)
2.250 in.
Product Attributes - Intake Valve Head Diameter (mm)
57.150mm
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.)
5.244 in.
Product Attributes - Intake Overall Valve Length (mm)
133.197mm
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
NK-842 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
153
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 man11722-1
SFX Item ID 4930561
Supplier Item Code 4930561
Manufacturer SKU 11722-1
Manufacturer UPC 807298004594
Alternative References NK-842

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine TypeV8
    Engine Size6.5L/396
    Engine FamilyChevy big block Mark IV
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy big block Mark IV
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine Size6.6L/402
    Engine FamilyChevy big block Mark IV
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine TypeV8
    Engine Size7.4L/454
    Engine FamilyChevy big block Gen V
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine TypeV8
    Engine Size7.4L/454
    Engine FamilyChevy big block Gen VI
    Valve Installed LengthStock

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