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Manley 11669-8 Stainless Steel Intake Valve Head Stem - 1.595 3125

(2006-2008 Jeep Grand Cherokee SRT8; 2006-2008 Dodge Magnum)

Part of: Manley Stainless Steel Intake Valve Head Stem

Other options in this family: Manley 11361-8 Manley 11666-8

Manufacturer

Picture for manufacturer Manley

Part Number

11669-8
7 reviews
Sale Price

$198.46

2 left at this price

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Usually delivered within 2 days

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Product Details

The Manley 11669-8 is a high-performance stainless steel intake valve engineered for demanding automotive applications. Featuring a 1.595" head diameter and .3125" stem diameter with an overall length of 4.925", this valve is precision-manufactured from Manley's Race Series stainless alloy for exceptional durability and performance.

Key Specifications:

  • Head Diameter: 1.595"
  • Stem Diameter: .3125" (5/16")
  • Overall Length: 4.925"
  • Tip Length: .120"
  • Underhead Angle/Radius: 25° x 1/2"
  • Margin: .065"
  • Seat Width: .100"
  • Top of Head: 20° Dish
  • Installed Height: Stock

Premium Features:

  • Chrome-plated stems for superior wear resistance and reduced friction
  • Swirl-polished under head for optimized flow characteristics
  • Fully hardened tips to prevent wear from rocker arm contact
  • Completely machined combustion face for precise sealing
  • Controlled margin heights for consistent performance
  • Exact stem-to-seat concentricity for proper sealing and longevity

This valve incorporates Manley's Pro-Flo design, which reduces the stem diameter in the fillet area to increase airflow while simultaneously decreasing valve weight. This design enhancement improves engine response and allows higher RPM operation. Manufactured to the highest quality standards with over 40 years of valve-making expertise, the Manley 11669-8 is suitable for applications ranging from street performance builds to extreme racing environments producing 1000+ horsepower.

Products specifications

Fits

2006-2008 Jeep Grand Cherokee SRT8; 2006-2008 Dodge Magnum

Great experience with Autoplicity. Found the site through a google search. Had the best price on the product I was looking for. Ordered on Saturday had the package with standard shipping by Tuesday. Product as promised and no issues. Would definitely recommend and purchase from again. Thanks.

Great shipping speed great site. Awesome!!! Thanks guys I love my new bumper.

Ordered Sunday and recieved product Tuesday .. What more can u ask for? Great Seller!

The Best Pricing online period! The shipping was very reasonable with great communication and tracking number proviced. My parts were boxed well and arrived right on schedule. This was my first purchase with Autoplicity but will for sure not be my last.

Had a great first experience with Autoplicity. I ordered my package late in the day on Wednesday and it was at the front door Thursday! Another big plus is that their prices are hard to beat. Won't have a problem ordering from them again!

Product was shipped super fast. And product was in a well packaged box and everything was there. I would do business with them again in the future. Highly recommended and lowest prices!!!

The website is very easy to navigate & found what i was looking for, i will advise my friends aboou purchasing arp products from thie website, thnks autoplicity.

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