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Manley Race Series Stainless Steel Valves 11631-1 Valve, Exhaust, Steel, 37.50mm Diameter, 116.459mm Length, Each

SKU: MAN11631-1

Valves

Manley Race Series Stainless Steel Valves 11631-1 Valve, Exhaust, Steel, 37.50mm Diameter, 116.459mm Length, Each

SKU: MAN11631-1

Valves
A$161.01
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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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 10:07:19

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11631-1
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Race Series Stainless Steel Valves
Product Attributes - UPC
807298105277
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.476 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
37.500mm
Product Attributes - Exhaust Valve Stem Diameter (in.)
0.235 in.
Product Attributes - Exhaust Valve Stem Diameter (mm)
5.97mm
Product Attributes - Exhaust Overall Valve Length (in.)
4.585 in.
Product Attributes - Exhaust Overall Valve Length (mm)
116.459mm
Product Attributes - Undercut Stem
Yes
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.380 in.
Product Attributes - Valve Tip Length (mm)
9.652mm
Product Attributes - Valve Material
NK-842 stainless steel
Product Attributes - Lock Groove Quantity
3-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
68
Product Attributes - Valve Head Style
20 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 man11631-1
SFX Item ID 4931887
Supplier Item Code 4931887
Manufacturer SKU 11631-1
Manufacturer UPC 807298105277
Alternative References 37.50mm, 116.459mm

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeFORD
    Beginning Year1996
    Ending Year1998
    Engine TypeV8
    Engine Size4.6L/281
    Engine FamilyFord modular V8
    Valve Installed LengthStock
  • Valve FitmentSearch by engine
    MakeFORD
    Beginning Year1997
    Ending Year1998
    Engine TypeV8
    Engine Size5.4L/330
    Engine FamilyFord modular V8
    Valve Installed LengthStock

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