Dog-change gearbox primarily designed for use in front-engine, rear-wheel-drive race cars. Features. Provision also exists to mount the transmission together with a modular transfer case in 4WD applications, or with final drive units in rear mounted transaxles (e.g. Corvette). Available in both H-Pattern and Sequential shift versions.If you'd like more information on HGT Precision high-performance sequential manual gearboxes and transmission accessories, please contact us today! IL300 - 6 Speed Sequential Gearbox - 4WD Version £ 6,800.00 An inline, six speed sequential motorsport gearbox with various ratios available: gives a very versatile box that is used in many formulas including rally, circuit, off road, drag and drifting.DJM have the ability to manufacture virtually any transmission parts from a reverse engineered one-off gear through to a complete transmission package from fly wheel to output flange. ... 4WD System. 6 SPD sequential gearbox . DJM Race Preparation, Unit 4 Leen Court,Boughton Ind. Est. South, Ollerton, Nr Newark, Notts. ...The production of parts for vintage and modern racing cars has reached levels of excellence. A considerable number of preparers from all over the world rely on the Tavarnelle workshop, where bars of raw material come in and leave as fine-tuned gears, gearboxes, levers, limited slip differentials and everything else.