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Manley 11666-8 Stainless Steel Intake Valve Head Stem - 2.020 3125

(2005-2008 Dodge Magnum; 2005-2008 Chrysler Ford 300 C)

Part of: Manley Stainless Steel Intake Valve Head Stem

Other options in this family: Manley 11361-8 Manley 11669-8

Manufacturer

Picture for manufacturer Manley

Part Number

11666-8
18 reviews
Sale Price

$198.46

2 left at this price

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Manley 11666-8 is a high-performance stainless steel intake valve designed for demanding racing and street performance applications. This Race Series valve features a 2.020" head diameter, .3125" stem diameter, and 4.955" overall length, engineered to deliver superior flow and durability in high-stress environments.

Key Specifications:

  • Head Diameter: 2.020"
  • Stem Diameter: .3125"
  • Overall Length: 4.955"
  • Tip Length: .120"
  • Pro Flo 12 x 3/8" underhead design
  • Margin: .050"
  • Seat Width: .085"
  • Top of Head: 7 Dish
  • Stock installed height

Premium Construction Features:

  • Manufactured from Manley's exceptional Race Series stainless steel alloy
  • Pro-Flo design reduces stem diameter in fillet area for increased airflow and reduced weight
  • Chrome-plated stems for superior durability and reduced friction
  • Swirl-polished underheads for maximum flow efficiency
  • Fully hardened tips to withstand high-lift camshaft profiles
  • Completely machined combustion faces ensure precise sealing
  • Exact stem-to-seat concentricity for optimal valve-to-guide alignment

Backed by over 40 years of manufacturing excellence, Manley Performance valves represent the industry standard for stainless steel valvetrain components. These valves are suitable for applications ranging from mild street builds to extreme 1000+ horsepower race engines, providing the flow characteristics and reliability demanded by professional engine builders and serious enthusiasts.

Products specifications

Fits

2005-2008 Dodge Magnum; 2005-2008 Chrysler Ford 300 C

fast and easy thanks

Product is not working as advertised.

Great shopping experience, great price, quick shipping. Thanks so much!

Fast and super easy to use.

received quickly

The product shipped right away and I received it about a week later. The part bolted up without any issues, I wished I had replaced the actuator at the same time. Very pleased with the product and delivery time. "I'll Be Back" - Arnold

Good prices, good delivery speed, I'm happy

Thank you

Great price for the item. Both internet and phone conversations were quick and knowledgeable.

Autoplicity has been quick to send updates on my order to my email.

Highly recommend ordering from this company. I was in deep search for a product that everybody else told me I wouldn't find until next year (e.g. 4 wheel parts). Autoplicity knew someone that had the product and made the transaction as seamless as possible. I know where to look for future orders. <br><br>One very happy customer!

so far...quick/easy and very nice. lets see about shipping time and returns (if necessary)....???

Bought a sparco steering wheel. Best price on the net. And shipping was very fast. Thank you

easy, discount coupons

I was searching around for a K&N cold air intake for my Tahoe. After searching Autoplicity had the lowest price hands down. I ordered on a Wed. evening, and it was on my door step Friday afternoon with standard shipping. I couldn't of asked for better service. The price was $100 cheaper than everyone else. I will be using Autoplicity again.

Amazingly fast shipping. Item came as ordered & properly packaged. I received item faster than expected & on time for my father in law's birthday. Will definitely use Autoplicity again.

Great seller with great prices.

Great price. Minor problems with shipping because of UPS (dropped box and broke part, late delivery). Autoplicity sending me out replacement part.

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