Fully rebuilt 5 speed Sierra Type 9 gearbox converted to 2.98 first gear ratio. These boxes have been used successfully in the UK in applications such as drag and circuit racing. Includes new bearings and seals and professional conversion to layshaft and first gear on mainshaft.
Type 9 have a first gear of 3.3 or 3.6 and this brings first down to a better ratio similar to the Twin Cam Escort gearbox. Balance of the ratio set is: 2nd 1.97:1, 3rd 1.37:1, 4th 1.00:1, 5th 0.82:1
Sold outright no exchange needed. Shifters offered at discounted pricing when a box is purchased. Professionally rebuilt by qualified experienced technician with many years experience with these gearboxes.
We offer a 12 month warranty on all boxes purchased for road use. For track use we will offer a limited warranty in line with the heavier use expected.