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Manley 10749-8 Street Master Exhaust Valves 1.600" Small Block Chevy Set of 8

Manufacturer

Picture for manufacturer Manley

Part Number

10749-8
8 reviews
Sale Price

$138.97

Estimated ship date Saturday, November 21

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Product Details

The Manley 10749-8 Street Master exhaust valves are precision-engineered performance valves designed for Small Block Chevrolet engines. These high-quality valves are an excellent choice for bracket racing, oval track, and high-performance street applications where reliability and performance matter.

Key Specifications:

  • Head diameter: 1.600 inches
  • Valve stem diameter: 0.3415 inches (11/32")
  • Overall length: 4.911 inches
  • Tip length: 0.250 inches
  • Seat width: 0.100 inches
  • Margin: 0.060 inches
  • Weight: 101 grams per valve
  • Stock installed height

Construction and Features:

  • Manufactured from premium XH-424 stainless steel material for exceptional durability
  • Chrome stems provide superior wear resistance
  • Hardened valve tips for extended service life
  • Swirl-polished underhead areas enhance airflow efficiency
  • Fully machined combustion faces ensure optimal performance
  • Straight stem (Street Master) design

Manley Performance has built a reputation as a leading manufacturer of performance and racing valves, with quality being the cornerstone of their success. The Street Master series represents superior materials and heat-treating processes compared to budget replacement valves, making them ideal for enthusiasts seeking to boost the performance of stock or mildly modified street engines. Sold as a complete set of 8 exhaust valves.

Products specifications

Approximate Weight (g)

101

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Overall Valve Length (in)

4.911 in.

Overall Valve Length (mm)

124.739mm

Quantity

Sold as a set of 8.

Swirl Polished

Yes

Undercut Stem

Yes

Valve Head Diameter (in)

1.600 in.

Valve Head Diameter (mm)

40.640mm

Valve Head Style

10 degree dish

Valve Material

XH-424 stainless steel

Valve Seat Width (in)

0.100 in.

Valve Stem Diameter (in)

0.341 in.

Valve Stem Diameter (mm)

8.661mm

Valve Tip Length (in)

0.250 in.

Valve Tip Length (mm)

6.350mm

Great customer service and product pricing! Received tracking number very quickly and will recommend to anyone!!!!<br><br>Thanks

For the over-the-winter garage storage of my 911, the Rail Ramps Flatstopper product has eliminated the need to move the car over the winter in order to avoid the tires developing flat spots.

Fast Shipping. Good packaging. Very good pricing. Will shop from again.

Cheapest price online. Great products.. really fast shipping.. no hassle

These guys had great pricing and got my order to me very quickly. I would do business with them again for sure!

I searched the entire web looking for the best price on my item and found that Autoplicity beat everybody else in price & quality. Search no more!

Nice site

Processed and shipped out very quickly. I love when a website delivers! It was the best deal on the internet AND they gave free shipping! I will definitely do future business with Autoplicity. Thanks!

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