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Manley Ford 289-302-35IW Budget Performance Street Flo Exhaust Valves (For use w/ Rail Type Rockers)

SKU: MAN10723-8

Valves

MAN Budget Valves...

Manley Ford 289-302-35IW Budget Performance Street Flo Exhaust Valves (For use w/ Rail Type Rockers)

SKU: MAN10723-8

Valves

MAN Budget Valves...

A$293.68
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 Street Series valves are the ideal choice for enthusiasts looking to boost the performance of a stock or mildly modified street engine.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-10-13 17:07:34

Features

  • Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.
  • High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.
  • Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.
  • Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
10723-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Street Flo Valves
Product Attributes - UPC
807298055411
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.465 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
37.200mm
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.)
5.080 in.
Product Attributes - Exhaust Overall Valve Length (mm)
129.032mm
Product Attributes - Undercut Stem
Yes
Product Attributes - Swirl-Polished
Yes
Product Attributes - Valve Tip Length (in.)
0.395 in.
Product Attributes - Valve Tip Length (mm)
10.033mm
Product Attributes - Valve Material
XH-424 stainless steel
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
93
Product Attributes - Valve Head Style
7 degree dish
Product Attributes - Valve Seat Width (in.)
0.080 in.
Product Attributes - Quantity
Sold as a set of 8.
Product Attributes - Notes
For use with rail-type rockers.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man10723-8
SFX Item ID 4060504
Supplier Item Code 4060504
Manufacturer SKU 10723-8
Manufacturer UPC 807298055411
Alternative References 289-302-35IW

Compatibility

Application Data
  • Valve FitmentSearch by engine
    MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine Size4.7L/289
    Engine FamilyFord small block Windsor
    Valve Installed LengthStock
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Valve Installed LengthStock
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeFORD
    Beginning Year1969
    Ending Year1997
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Valve Installed LengthStock
    Cylinder Head TypeStock configuration

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