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Manley 11102-8 Headlight Assembly Engine Exhaust Valve

(1994-2005 Mazda Miata)

Part of: Manley Headlight Assembly Engine Exhaust Valve

Other options in this family: Manley 11103-8 Manley 11115-8 Manley 11111-8 Manley 11104-8

Manufacturer

Picture for manufacturer Manley

Part Number

11102-8
16 reviews
Sale Price

$211.14

In Stock (6)

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Usually delivered within 2 days

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Product Details

The Manley 11102-8 Race Series intake valves are precision-engineered stainless steel valves designed specifically for 1990-1999 Mazda Miata 1.8L BP056 DOHC 16-valve engines. These high-performance valves feature a 33mm (1.300 inch) head diameter and are manufactured from premium NK-842 stainless steel alloy for exceptional durability and performance.

Key Features:

  • 33mm (1.300 in.) head diameter with 17-degree dish valve head style
  • 0.236 inch stem diameter with undercut Pro-Flo design for increased airflow and reduced weight
  • 3.992 inch overall valve length
  • Chrome-finished stems for superior wear resistance
  • Swirl-polished under heads for optimal flow characteristics
  • Fully hardened valve tips for extended service life
  • Completely machined combustion faces with controlled margin heights
  • 0.075 inch seat width for precise sealing

Manley Performance has been manufacturing premium valvetrain components for over 40 years, and these Race Series valves represent their commitment to quality and performance. Suitable for bracket racing, oval track competition, and high-performance street applications, these valves deliver exceptional flow and durability even in demanding environments. Each set includes 8 intake valves with exact stem-to-seat concentricity for optimal performance.

Products specifications

Fits

1994-2005 Mazda Miata

Head Diameter

33mm

Margin

.050"

O/A Length

101.35mm

Overall Valve Length (in)

3.992 in.

Overall Valve Length (mm)

101.4mm

Quantity

Sold as a set of 8.

Seat Width

.075"

Stem Diameter

6mm/.2362”

Swirl Polished

Yes

Tip Length

3.5mm

Top of Head

17° Dish

Undercut Stem

Yes

Underhead Angle/Radius

Pro Flo: 22° x 5/16"

Valve Head Diameter (in)

1.300 in.

Valve Head Diameter (mm)

33.0mm

Valve Head Style

17 degree dish

Valve Material

NK-842 stainless steel

Valve Seat Width (in)

0.075 in.

Valve Stem Diameter (in)

0.236 in.

Valve Stem Diameter (mm)

6.0mm

Valve Tip Length (in)

0.138 in.

Valve Tip Length (mm)

3.50mm

Great price

correct and timely service

A+

AutoPlicity was the only place that had my part very well pleased

It was really a easy way to order this battery for my son. I'm so glad that it worked out to order it and hope he will get the battery real soon. I wasn't wanting to pay extra for shipping.

What I found from Autoplicity, was the best price for the exact product I was looking for. Online ordering went smoothy with immediate company feedback and delivery was as fast as could be expected.

N/A

Great prices on name brand top quality parts!!!

Very easy and smooth, great experience.

Definitely the lowest price! Quick shipping, and great communication and follow-through.

Excellent service and communication.

I got the items exactly as described with VERY fast shipping. i highly recommend them to everyone. And I will definitely be shopping there again!

Great prices, clear information and fast shipping!

Great price. Very happy with order. Will buy from them again.

Super fast shipping, exactly as ordered, no drama, problems or complications

Although there was a mix up with the shipping on my order customer service was helpful and expedited the solution and made it worth my trouble. I will be keeping Autoplicity in mind for any other parts I might need for my Jeep.

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