My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Manley 11884-8 Severe Duty Stainless Steel Intake Valve 2.190" Ford 427

(2014-2017 Chevrolet SS)

Manufacturer

Picture for manufacturer Manley

Part Number

11884-8
8 reviews
Sale Price

$340.88

3 left at this price

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Manley 11884-8 is a severe duty performance intake valve engineered specifically for Ford 427 engines with medium hi-riser and tunnel port heads. Designed for high-performance race applications, this valve delivers exceptional durability and reliability under extreme conditions.

Key Specifications:

  • Valve Type: Intake
  • Head Diameter: 2.190 inches
  • Stem Diameter: 0.3715 inches
  • Overall Length: 5.446 inches
  • Tip Length: 0.320 inches
  • Underhead Angle/Radius: 23 degrees x 5/16 inches
  • Margin: 0.070 inches
  • Seat Width: 0.120 inches
  • Top of Head: 20 degree dish
  • Weight: 143 grams

Premium Construction:

  • Manufactured from NK-844 stainless steel for superior strength and heat resistance
  • Chrome-plated stem for reduced friction and increased wear resistance
  • Hardened valve tip for extended service life
  • Swirl polished finish for optimal flow characteristics
  • Fully machined for precise tolerances
  • Straight stem design for enhanced durability

This valve maintains stock installed height for hassle-free installation in your Ford big-block racing engine. The Manley Severe Duty series represents the perfect balance of performance and longevity for serious racers.

Products specifications

Fits

2014-2017 Chevrolet SS

Approximate Weight (g)

143

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Overall Valve Length (in)

5.446 in.

Overall Valve Length (mm)

138.328mm

Quantity

Sold as a set of 8.

Swirl-Polished

Yes

Undercut Stem

No

Valve Head Diameter (in)

2.190 in.

Valve Head Diameter (mm)

55.626mm

Valve Head Style

20 degree dish

Valve Material

NK-844 stainless steel

Valve Seat Width (in)

0.120 in.

Valve Stem Diameter (in)

0.372 in.

Valve Stem Diameter (mm)

9.449mm

Valve Tip Length (in)

0.320 in.

Valve Tip Length (mm)

8.128mm

Great Price for the struts i ordered!

Shipping looks to be fairly quick. I'm satisfied so far. I am now waiting for delivery and hope it is as smooth as process as the purchase.

Lowest price around that i can find. Great communication also!

site has a lot of parts and accessories. Good prices. Just needs a better way to narrow searches down more.

Ordered some new corner lenses for my 2000 Chevy Blazer. They came earlier than I thought they would. They were packaged perfectly with no damage. Installed the lenses without a problem in minutes and they look great. Will definitely order again, but this time ordering headlights. Thanks!

very excellent oil the only oil that has been in my harley since it was new and it a 95 very fast shipper ordered it 19 feb and got it 22 feb

Helpful-reasonable prices-reasonable shipping-prompt.

Very pleased with product and shipping prices. Best price on the internet.Took a few to many days between order placement and shipping. Once the product was shipped the timing was very good.Talked with support-they were helpful and friendly.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy