GlobalGolf  /  Golf Clubs  /  Iron Set  /  Cobra  /  King F9 SpeedBack

Cobra King F9 SpeedBack 5-PW, GW Iron Set Golf Club

Original Price : $799.00
Current Price : $599.00
You Save : $200.00 (25%)
Right Handed Options

Right Handed Options

Left Handed Options

Regular Flex

Regular Flex

Senior Flex

Type, Shaft, Condition will change.

Stiff Flex

5-PW, GW


Condition will change.

5-PW, AW

5-PW, GW

Standard Length Only Standard Lie Angle Only FST KBS Tour 90 Steel Shaft

FST KBS Tour 90 Steel Shaft

Fujikura ATMOS Black 6 Graphite Shaft

Type, Condition will change.
New Condition

New Condition $599.00

Certified Preowned $557.99

  • Thorough Cleaning
  • 6-Point Inspection Process
  • 12 Month Limited Warranty

Very Good Condition $439.99

Type, Shaft will change.
Only 2 In Stock! ADD TO CART UTRY FOR $100

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King F9 SpeedBack
Player Type
Clubs Type
5-PW, GW Iron Set
Right Hand
Lie Angle
FST KBS Tour 90 Steel
5-PW, GW
Has Headcover
Has Tool
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30-Day Playability Guarantee

This products qualifies for our 30-Day Playability Guarantee, allowing you to return the club within 30 days of purchase if you are unhappy with its performance.


The King F9 SpeedBack irons are a combination of tungsten weighting and innovative shaping to deliver the most powerful and stable COBRA iron. In addition, features a 3 piece multi-material medallion design that contains aluminum, TPU, and acrylic foam damps vibrations to promote a softer, more responsive feel. These irons are forged E9 Pwrshell™ Face Technology that offers a thicker face design that’ll expand the sweet zone for a higher launch and faster ball speeds across a larger area on the face.


  • CNC Milled Face & Grooves that deliver more precise face and groove structures for improved spin and trajectory performance
  • Cobra Connect that features electronically enabled grips that work in conjunction with the Arccos Caddie app, allowing users to track their stats and improve their game
  • Shorter hosels in the 5-6 irons lower the CG for increased launch and distance
  • Taller hosels in the wedges raise the CG for lower, more controlled trajectories


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Customer Reviews

Displaying 1 out of 1 Reviews. Add Review
A beautiful looking iron
By Scott W on 11/14/2019
1 out of 1 people found this review helpful.
Handicap: 6-10  Plays Golf: I play weekly  Dexterity: Right Hand

I haven&apost used them yet, but they feel amazing. Price was unbeatable, shipping was fast. I will update after testing them out!

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Technology / Specs

The Cobra KING F9 Speedback irons have several new innovative features that make these irons built for speed and performance. Keep reading to find out more.

Speedback™ Technology and High MOI Design

Cobra uses its new Speedback™ technology in the KING F9 Speedback irons. This technology adds mass to the sole of the club, pushing the CG low for easy launch and added forgiveness. The mass doesn’t give the irons a bulky look and actually helps with turf interaction.

To further boost MOI, Cobra designers placed a total of 33 grams of tungsten in the heel and toe of the KING F9 irons. The weight stabilizes the head at impact on mishits so those shots aren’t penalized as much.

Co-Molded Medallion

On the 4-7 irons, Cobra uses a Co-molded medallion to dampen vibrations and give the clubs a soft feel. The 3-piece medallion is made with aluminum, TPU and acrylic foam.

Forged E9 PWRSHELL™ Face Technology

The face of the KING F9 Speedback irons has forged E9™ technology, which varies the thickness across the face, increasing ball speed on off-center hits and expanding the sweet spot.

The face also utilizes the company’s PWRSHELL™ tehcnology, where the face wraps around to the sole of the club, creating a channel that flexes in and out at impact. This reaction creates higher ball speed and launch angles.

Progressive Spin Tech and Hosel Length

Cobra uses progressive groove patterns, which are CNC milled for consistent performance, called Progressive Spin Tech. The grooves on the 4-7 irons have a V-shape that reduce spin and increase carry distance. On the 8-PW, the grooves have a U-shape that increase control and accuracy. The GW and SW have shallow grooves that are close together to maximize spin around the green.

The hosels also get progressively longer as the clubs shorten. This design ideally controls the CG location and produce the best launch conditions for each club in the set.

Cobra Connect

Each club in the Cobra KING F9 family has Cobra Connect powered by Arccos sensors in the grip. The sensor tracks distance, accuracy, and more automatically. The data collected gets sent to the Arccos Caddie app, showing you areas that you’re doing well and what you can work on to improve your game.

The following chart lists the stock specs for the Cobra F9 Speedback irons.

Adams adidas Callaway Cleveland Cobra FootJoy Mizuno Nike Ping TaylorMade Titleist Wilson Adams adidas Callaway Cleveland Cobra FootJoy Mizuno Nike Ping TaylorMade Titleist Adams adidas Callaway Cleveland Cobra FootJoy Nike TaylorMade Titleist
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