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Manley 11438T-8 Performance Stainless Steel Exhaust Valve

Manufacturer

Picture for manufacturer Manley

Part Number

11438T-8
4 reviews
Sale Price

$1,332.80

4 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Manley 11438T-8 is a high-performance exhaust valve engineered for demanding racing and high-performance street applications. Manufactured from premium stainless steel alloy, this valve is designed to withstand extreme combustion temperatures and corrosive exhaust gases while maintaining dimensional stability.

Key Features:

  • Precision-manufactured from high-quality stainless steel for superior heat and corrosion resistance
  • CNC-machined for exact tolerances and optimal sealing performance
  • Swirl-polished stems reduce friction and improve valve guide longevity
  • Undercut and radius stem design reduces weight while maintaining strength
  • Heat-treated for maximum durability in high-RPM applications
  • Black nitride finish on stem for enhanced wear resistance

Manley Performance valves are trusted by professional engine builders and racers worldwide for their consistent quality and proven reliability in the most demanding applications. Each valve undergoes rigorous quality control inspection to ensure it meets Manley's exacting standards.

Products specifications

Approximate Weight (g)

99

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Overall Valve Length (in)

5.540 in

Overall Valve Length (mm)

140.7mm

Quantity

Sold as a set of 8.

Swirl Polished

Yes

Undercut Stem

No

Valve Head Diameter (in)

2.150 in.

Valve Head Diameter (mm)

54.6mm

Valve Material

Titanium

Valve Seat Width (in)

0.100 in.

Valve Stem Diameter (in)

0.342 in.

Valve Stem Diameter (mm)

8.7mm

Valve Tip Length (in)

0.290 in.

Valve Tip Length (mm)

7.37mm

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Best prices online for a locker and pretty fast shipping too!

Awesome place to get parts from. Went looking all over the city of houston to find a certain light everyone was sold out tried online two "Huge chain name" places were also sold out. Stumbled on Autoplicity and they had just what I needed!

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