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Manley 11703-8 Race Flo Stainless Steel Exhaust Valve 1.600" Small Block Mopar

(2010-2015 Chevrolet Camaro)

Manufacturer

Picture for manufacturer Manley

Part Number

11703-8
9 reviews
Sale Price

$188.69

Estimated ship date Tuesday, November 24

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Product Details

The Manley 11703-8 is a high-performance Race Flo exhaust valve engineered specifically for Small Block Mopar engines. Featuring a 1.600-inch head diameter, this valve is precision-manufactured from premium stainless steel to deliver exceptional durability and heat resistance in demanding racing and high-performance applications.

Key Features:

  • 1.600" valve head diameter for optimized exhaust flow
  • Race Flo design with undercut stem for reduced weight and improved flow characteristics
  • Premium stainless steel construction for superior corrosion and heat resistance
  • Precision-machined to exacting tolerances for consistent performance
  • Designed specifically for Small Block Mopar V8 engines (318, 340, 360)
  • Swirl-polished valve face for enhanced sealing and longevity
  • 11/32" stem diameter for compatibility with standard valve guides

Manley Performance Products has been a trusted name in high-performance valvetrain components for decades. This Race Flo exhaust valve is ideal for street/strip applications, bracket racing, and performance engine builds where reliability and power gains are paramount. Sold individually.

Products specifications

Fits

2010-2015 Chevrolet Camaro

Approximate Weight (g)

111

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Notes

Late model stock head with part number P5249769.

Overall Valve Length (in)

5.255 in.

Overall Valve Length (mm)

133.477mm

Quantity

Sold as a set of 8.

Swirl-Polished

Yes

Undercut Stem

No

Valve Head Diameter (in)

1.600 in.

Valve Head Diameter (mm)

40.640mm

Valve Head Style

17 degree dish

Valve Material

XH-428 stainless steel

Valve Seat Width (in)

0.080 in.

Valve Stem Diameter (in)

0.342 in.

Valve Stem Diameter (mm)

8.687mm

Valve Tip Length (in)

0.290 in.

Valve Tip Length (mm)

7.366mm

Very nice website!

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.

Thanks for the great price

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

The price was right, and they were very helpful and told me all about the product I ordered, and had it shipped out to me quickly! <br><br>Thanks!

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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