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Manley Titanium Valves 11483-8 Valve, Exhaust, Titanium, 1.900 in. Diameter, 0.3415 in. Stem, 5.540 in. Length, Set of 8

SKU: MAN11483-8

Valves

Manley Titanium Valves 11483-8 Valve, Exhaust, Titanium, 1.900 in. Diameter, 0.3415 in. Stem, 5.540 in. Length, Set of 8

SKU: MAN11483-8

Valves
A$2,922.05
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice of performance enthusiasts and professional engine builders. Each valve features a one-piece forged titanium construction with superior grain flow to eliminate weak points and ensure long-term strength. State-of-the-art CNC machining and precision grinding deliver tight tolerances and consistent sealing for optimal engine performance. Crafted from premium titanium alloys, Manley valves achieve the perfect balance of hardness, ductility, and fatigue resistance under extreme temperatures. Every valve undergoes rigorous quality control and final inspection, guaranteeing unmatched reliability, precision, and consistency in the most demanding racing conditions. When performance matters, Manley Titanium Valves power the winners.

Part Type

Engine Exhaust Valve

Data: v4.2 - Upd: 2026-10-14 10:11:52

Features

  • Built for extreme RPM and aggressive cams
  • CNC machined for precision
  • Lightweight titanium reduces valvetrain mass and boosts efficiency
  • One-piece forged for strength
  • Premium alloys ensure durability
  • Rigorously inspected for reliability

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
11483-8
Product Attributes - Part Type
Valves
Product Attributes - Product Line
Manley Titanium Valves
Product Attributes - UPC
807298059099
Product Attributes - Valve Position
Exhaust
Product Attributes - Exhaust Valve Head Diameter (in.)
1.900 in.
Product Attributes - Exhaust Valve Head Diameter (mm)
48.260mm
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.)
5.540 in.
Product Attributes - Exhaust Overall Valve Length (mm)
140.716mm
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
Titanium
Product Attributes - Lock Groove Quantity
1-groove
Product Attributes - Lock Groove Style
Conventional
Product Attributes - Approximate Weight (g)
102
Product Attributes - Valve Seat Width (in.)
0.075 in.
Product Attributes - Quantity
Sold as a set of 8.

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man11483-8
SFX Item ID 4927752
Supplier Item Code 4927752
Manufacturer SKU 11483-8
Manufacturer UPC 807298059099

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 Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine Size6.6L/402
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year2000
    Engine TypeV8
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine TypeV8
    Engine Size7.4L/454
    Engine FamilyChevy big block Gen V
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration
  • Valve FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine TypeV8
    Engine Size7.4L/454
    Engine FamilyChevy big block Gen VI
    Valve Installed Length0.100 in. over
    Cylinder Head TypeStock configuration

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