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Manley 11373-1 Race Series Stainless Steel Exhaust Valve

(1999-2000 Honda Civic; 1994-1997 Honda Civic del Sol VTEC; 1992-2001 Acura Integra GS-R)

Manufacturer

Picture for manufacturer Manley

Part Number

11373-1
6 reviews
Sale Price

$26.39

In Stock (10)

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Usually delivered within 2 days

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Product Details

The Manley 11373-1 is a high-performance Race Series exhaust valve engineered for sport compact applications demanding extreme durability and flow. Manufactured from premium stainless steel alloy, this individual exhaust valve is built to withstand the most severe operating environments including high-boost forced induction setups.

Key Features:

  • Race Series stainless steel alloy construction for maximum strength and heat resistance
  • Chrome-plated stem for superior wear resistance and reduced friction
  • Swirl polished underhead for optimized flow characteristics
  • Fully hardened valve tip for extended service life with aggressive valve train components
  • Completely machined combustion face ensures precise sealing and heat transfer
  • Controlled margin height and exact stem-to-seat concentricity for consistent performance
  • Designed for extreme exhaust gas temperatures in high-boost applications

Manley valves are precision-manufactured to outflow and outlast competitive offerings across all performance levels, from street performance builds to 1000+ horsepower race engines. The Race Series alloy provides exceptional hot hardness properties, making this exhaust valve ideal for turbocharged and supercharged engines where exhaust temperatures reach extreme levels. Sold individually.

Products specifications

Fits

1999-2000 Honda Civic; 1994-1997 Honda Civic del Sol VTEC; 1992-2001 Acura Integra GS-R

Approximate Weight (g)

68

Head Diameter

28mm

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Margin

.065"

O/A Length

102.7mm

Overall Valve Length (in)

4.043 in.

Overall Valve Length (mm)

102.70mm

Quantity

Sold individually.

Seat Width

.080"

Stem Diameter

5.5mm/.2165”

Swirl Polished

Yes

Tip Length

2.5mm

Top of Head

20° Dish

Undercut Stem

Yes

Underhead Angle/Radius

25° x 11/32"

Valve Head Diameter (in)

1.102 in.

Valve Head Diameter (mm)

28.0mm

Valve Head Style

25 degree dish

Valve Material

XH-426 stainless steel

Valve Seat Width (in)

0.080 in.

Valve Stem Diameter (in)

0.216 in.

Valve Stem Diameter (mm)

5.5mm

Valve Tip Length (in)

0.098 in.

Valve Tip Length (mm)

2.50mm

Why shop on Ebay, when there is Autoplicity. Cheaper prices than Ebay, Faster shipping and good return policies.

I called to see if it would ship before I needed it to go on a trip. I gave bad information about my order, but the employee went out of his way to track down my order and made sure that it went out ASAP. Thanks guys!!!<br><br>

This place was great. Great service they really helped mr out and were fast and extremely helpful.

good

Arrived in 4 business days and cheapest price on the web for the part I got.

Super fast shipping, in stock, good pricing. Very happy with this order.

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