Close Ratio Gearboxes For Spitfire MkIV/1500
We have the facilities to be able to produce close ratio boxes for racing or road use.
Ratios Available
| 1st | 2nd | 3rd | Top | |
| Standard ratios | 3.5 | 2.16 | 1.39 | 1 |
| GT6 ratios (bit tall in 1st for 4 cyl) | 2.64 | 1.78 | 1.25 | 1 |
| Alternative ratios (Marina/Ital - recommended for 4 cyl) | 3.11 | 1.93 | 1.31 | 1 |
We can do any combination of ratios in any type of box for example, 3 rail, single rail, overdrive, or non-overdrive. With nearly 25 years of accumulated experience building competition units you can be sure of the quality, and reliability of our gearboxes.
Due to the various specifications all close ratio boxes are built to special order.
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