Cobra KING F9 Speedback vs Cobra KING Speedzone
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | KING F9 Speedback loft | KING Speedzone loft | KING F9 Speedback lie | KING Speedzone lie | KING F9 Speedback length | KING Speedzone length |
|---|---|---|---|---|---|---|
| 4 | 19.5 | 19 | 62 | 62 | 39.25 | 39.25 |
| 5 | 22.5 | 21 | 62.5 | 62.5 | 38.5 | 38.5 |
| 6 | 25.5 | 24 | 63 | 63 | 37.75 | 37.75 |
| 7 | 29.5 | 27.5 | 63.5 | 63.5 | 37.25 | 37.25 |
| 8 | 34 | 32 | 64 | 64 | 36.75 | 36.75 |
| 9 | 39 | 37 | 64.5 | 64.5 | 36.25 | 36.25 |
| PW | 44 | 42.5 | 65 | 65 | 36 | 36 |
| GW | 49 | 48 | 65 | 65 | 35.75 | 35.75 |
| SW | 54 | 54 | 65 | 65 | 35.5 | 35.5 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- KING F9 Speedback
- KING Speedzone
What the differences mean
At the 7-iron, the KING F9 Speedback is 29.5° and the KING Speedzone is 27.5°, a 2° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the KING Speedzone should carry roughly 6 to 8 yards further with that club, on a slightly lower, shallower flight than the KING F9 Speedback. Across the 9 clubs both sets share, the KING Speedzone averages 1.3° stronger, with the largest gap at the 7-iron (29.5° vs 27.5°). The pitching wedges are 44° and 42.5°; the stronger one leaves a 7.5° jump to a 50° gap wedge, which matters when planning wedge gapping.
Both are game improvement irons, built for roughly 10 to 25 handicaps. Perimeter-weighted cavity backs with wider soles, more offset and stronger lofts, aimed at mid handicaps. Because they target the same golfer, the decision comes down to the specific loft, feel and shaping differences rather than who the sets are made for.
The KING F9 Speedback is listed as cast SPEEDBACK-shaped cavity back with a forged face insert and tungsten heel-toe weighting in the long irons and the KING Speedzone as cast hollow-body distance iron with a forged face insert and carbon fibre topline. The KING Speedzone's hollow body lets the face flex more and moves mass low and outward, usually giving higher launch and more ball speed on off-centre strikes than the KING F9 Speedback, at some cost in feel. The KING F9 Speedback adds tungsten weighting, which lowers the centre of gravity and raises stability on mis-hits, helping the long irons launch.
The KING Speedzone arrived 1 year after the KING F9 Speedback, a typical one-generation refresh. Changes over that span are usually incremental: refined face thickness, revised weighting, updated looks and small loft tweaks rather than a new concept. Here the 7-iron loft moved from 29.5° to 27.5°.
Which should you choose?
The KING Speedzone is the stronger-lofted set — up to 2° stronger than the KING F9 Speedback on matching clubs. Expect longer carry per numbered iron but a flatter descent angle; gapping at the wedge end is where that shows up.
Both charts are reproduced in full on their own pages: Cobra KING F9 Speedback specs and Cobra KING Speedzone specs.
Frequently asked questions
Is the Cobra KING F9 Speedback stronger lofted than the KING Speedzone?
No. The KING Speedzone is the stronger-lofted set: its 7-iron is 27.5° against 29.5° for the Cobra KING F9 Speedback, 2° stronger and worth roughly 6 to 8 yards of extra carry.
What is the loft difference between the Cobra KING F9 Speedback and KING Speedzone?
At the 7-iron the difference is 2° (29.5° vs 27.5°). The largest gap on a shared club is 2° at the 7-iron, and 8 of the 9 shared clubs differ.
Are the Cobra KING F9 Speedback and KING Speedzone aimed at the same golfer?
Yes. Both are game improvement irons, built for roughly 10 to 25 handicaps. Choose on feel, looks and gapping, ideally after hitting both.
Do the Cobra KING F9 Speedback and KING Speedzone have the same lie and length?
At the 7-iron, yes: both are 63.5° lie and 37.25 inches long.
Shop Cobra KING F9 Speedback
Compare prices for new and used sets on eBay:
We may earn a commission from purchases made through links on this page at no extra cost to you.