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Manley 11643-10 Race Master Exhaust Valves Mopar V10 1.600 Diameter Set of 10

(1998-2002, 2008-2010 Dodge Viper)

Manufacturer

Part Number

11643-10
Sale Price

$248.08

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

Product Details

The Manley 11643-10 Race Master exhaust valves are engineered for high-performance Dodge Viper V10 engines, delivering exceptional reliability for bracket racing, oval track, and high-performance street applications. These premium stainless steel valves feature a 1.600-inch head diameter, 0.311-inch stem diameter, and 5.770-inch overall length, designed specifically for demanding performance environments operating below 8000 RPM.

Construction and Materials:

  • Manufactured from XH-426 stainless steel for superior heat resistance and durability
  • Chrome stems and hardened valve tips for extended service life
  • Swirl polished and fully machined for optimal flow characteristics
  • 12-degree dish valve head design for improved combustion efficiency
  • Single-groove beadlock design for secure valve lock retention

Technical Specifications:

  • Head Diameter: 1.600 inches (40.640mm)
  • Stem Diameter: 0.311 inches (7.90mm)
  • Overall Length: 5.770 inches (146.558mm)
  • Valve Tip Length: 0.110 inches
  • Underhead Angle/Radius: 18 x 0.500 inches
  • Margin: 0.075 inches
  • Valve Seat Width: 0.100 inches
  • Approximate Weight: 102 grams per valve

This set includes 10 exhaust valves and is ideal for enthusiasts seeking race-quality components for their Mopar V10 powerplants. Manley's Race Master series represents decades of expertise in performance valvetrain engineering.

Products specifications

Fits

1998-2002, 2008-2010 Dodge Viper

Approximate Weight (g)

102

Lock Groove Quantity

1-groove

Lock Groove Style

Beadlock

Notes

Underhead angle/radius 18 x .500 in. Margin 0.075 in.

Overall Valve Length (in)

5.770 in.

Overall Valve Length (mm)

146.558mm

Quantity

Sold as a set of 10.

Swirl-Polished

Yes

Undercut Stem

No

Valve Head Diameter (in)

1.600 in.

Valve Head Diameter (mm)

40.640mm

Valve Head Style

12 degree dish

Valve Material

XH-426 stainless steel

Valve Seat Width (in)

0.100 in.

Valve Stem Diameter (in)

0.311 in.

Valve Stem Diameter (mm)

7.900mm

Valve Tip Length (in)

0.110 in.

Valve Tip Length (mm)

2.794mm

Make

Dodge

Head Diameter

1.600

Valve Head Diameter

1.600

Valve Stem Diameter

0.3110

Engine Type

ICE

Product Type

Engine Exhaust Valve Kit

Seat Width

0.100

Valve Type

Exhaust

Valve Series

Race Series

Margin Width

0.075

Underhead Radius

1/2

Valve Sub-Series

Race Master

Stem Diameter

0.3110

Tip Length

0.110

Engine Valve Quantity

10

Valve Quantity

10

Valve Tip Length

0.110

O/A Length

5.770

Top of Head

12 Degree Dish

Valve Length

5.770

Underhead Angle

18.00

Valve Head Shape

12 Degree Dish

Title

Manley Valve - Exhaust, Valve-VIPER R/M 1.600

Easy to navigate, and everything went smoothly. Thanks

Best prices around so far

What I needed, shipping fees are higher than I expected.

I hope everything ends well, just like when I bought

THANK YOU...

The package went into the mailbox and i used it for the replacement that i needed for my car.

Good selection...good prices

Got my exhaust fairly quick and they were easy to order through

Great products and great pricing. Fast shipping. Couldn't ask for anything more. A++++++ merchant. Hope to do business with again.

An easy to navigate website, great prices and efficient company. I will definitely check Autoplicity first for all of my automotive needs. From purchase to arrival I was well informed as to the status of my order.

I saved over a hundred$ on a set of electric cooling fans. so the prices r great but it took 4 days to process and ship my order so well see how long it takes to get here but overall I would rather save money than get fast shipping

They made a mistake with the shipping address, but, they took care of it very politely and professionally. Very nice. Thanks.

Very quick on shipping, at a great price.

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