GF4

Gf 4 Exploded
GF4 Driver
GF4 Driver
GF4 Driver
GF4 Driver

The Ultimate in Customization

4 Weight Ports with 7 Screw Options

Outstanding Workability

Available in RH Only

The GF-4 incorporates KZG’s Gravitational Force technology which, with 4 weight ports, 7 different weight options for 196  different weight possibilities giving Clubfitters the ability to fine tune driver performance. These GF ports provide adjustability to optimize ball flight characteristics by customizing center of gravity and spin rates for improved launch conditions that result in increased carry distance.

The 425cc classic pear-shaped design has a very traditional aesthetic and a deep, solid feel that discerning players prefer. This compact design increases work-ability to shape shots when needed.

The GF 4 can also be set to a very light weight making it a great choice for the junior and the lady golfer.

Club Type:

Handicap: , ,

Player Type: , , ,

GF4

The Ultimate in Customization

4 Weight Ports with 7 Screw Options

Outstanding Workability

Available in RH Only

The GF-4 incorporates KZG’s Gravitational Force technology which, with 4 weight ports, 7 different weight options for 196  different weight possibilities giving Clubfitters the ability to fine tune driver performance. These GF ports provide adjustability to optimize ball flight characteristics by customizing center of gravity and spin rates for improved launch conditions that result in increased carry distance.

The 425cc classic pear-shaped design has a very traditional aesthetic and a deep, solid feel that discerning players prefer. This compact design increases work-ability to shape shots when needed.

The GF 4 can also be set to a very light weight making it a great choice for the junior and the lady golfer.

GF4 Club Specs

GF 4LLMLHLTol.
RH Loft (Degrees)9°10.5°12°± 1
Lie Angle (Degrees)585858± 1
Volume (CC)425425425± 5
Weight w/o screws (g)183183183± 5
Weight w/ neutral screws (g)198198198± 2
Roll/Buldge (inches)10.5/10.510.5/10.510.5/10.5± 1
Face Angle (Degrees)00.5 C1 C± .5
Face Height (mm)525252± 1
Face Width (mm)909090± 1
Face MaterialTi 6AL-4V
Crown MaterialTi 6AL-4V
Sole MaterialTi 6AL-4V
Face Thickness2.8 - 2.9mm
Hosel Depth (mm)38 ±1.0
Hosel ID (mm)8.6 ±0.05
Hosel OD (mm)13 ±0.2
ScrewsGF 4: Head comes in neutral
2 @ 1.5 g, 2 @ 6 g = 15 grams
Alternate Screws1.5, 4, 5, 6, 8, 10, 12 grams
SEE CLUB SPECIFICATIONS
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GF 4LLMLHLTol.
RH Loft (Degrees)9°10.5°12°± 1
Lie Angle (Degrees)585858± 1
Volume (CC)425425425± 5
Weight w/o screws (g)183183183± 5
Weight w/ neutral screws (g)198198198± 2
Roll/Buldge (inches)10.5/10.510.5/10.510.5/10.5± 1
Face Angle (Degrees)00.5 C1 C± .5
Face Height (mm)525252± 1
Face Width (mm)909090± 1
Face MaterialTi 6AL-4V
Crown MaterialTi 6AL-4V
Sole MaterialTi 6AL-4V
Face Thickness2.8 - 2.9mm
Hosel Depth (mm)38 ±1.0
Hosel ID (mm)8.6 ±0.05
Hosel OD (mm)13 ±0.2
ScrewsGF 4: Head comes in neutral
2 @ 1.5 g, 2 @ 6 g = 15 grams
Alternate Screws1.5, 4, 5, 6, 8, 10, 12 grams

See What The Experts and Happy Golfers Are Saying

"For marginal players, this technology will be like the heavens opening up, but even better players will notice the difference right away, as well."

Fairways and Greens Magazine
Editors Pick

“I had my son fitted for the GF 4 driver when he had outgrown his little junior set. He is now driving the ball better than he ever has and we are excited to see where he can go with his golf.”

Dan Gleason

“The GF 4 driver is fantastic for the advancing junior who is too strong to play with junior clubs but still needs a head with less weight. With four weight ports and 7 optional screw weights, it is very easy to fine tune the GF-4 to the players swing, giving them the most clubhead speed while maintaining mass in the head.”

Brad Whalen

“The GF 4 is the ultimate driver for extreme fitting. The head without screws is only 183 grams. You can add as little as 6 grams or as much as 48 grams to dial in the exact swing weight for any golfer.”

John Kelly

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