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Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11321-8 Valves, Exhaust, Steel, 1.600 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Set of 8

SKU: MAN11321-8

Valves

Manley Race Series Stainless Steel Valves 11321-8 Valves, Exhaust, Steel, 1.600 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Set of 8

Manley Performance

Manley Performance

Manley Race Series Stainless Steel Valves 11321-8 Valves, Exhaust, Steel, 1.600 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Set of 8

SKU: MAN11321-8

Valves
A$500.53
LAST ONE! Est Ship 4-7 days. In stock at 2 locations (2 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 1.600in Exhaust Valves

Data: v4.2 - Upd: 2026-10-14 10:08:34

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11321-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298048338
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.600 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
40.640mm
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.)
5.165 in.
Product Attributes - Exhaust Overall Valve Length (mm)
131.191mm
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)
110
Product Attributes - Valve Head Style
9 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 man11321-8
SFX Item ID 4930894
Supplier Item Code 4930894
Manufacturer SKU 11321-8
Manufacturer UPC 807298048338

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 Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1968
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2000
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyChevy small block Gen I
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration

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