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dog gearbox
Established in 1995, China Sujie Auto Parts Co., Ltd. is a professional dog gearbox manufacturer, sale and research of auto parts and vehicle components. It has years of OES and OEM dog gearboxes production experiences and passed ISO9000 and the TUV certification of ISO/TS16949 quality system. we can provide our customers with high quality auto parts and qualified vehicle components for many kinds of cars such as Ford, Opel, Benz, BMW, Nissan, Toyota, Mitsubishi, Mazda, Isuzu, Hyundai, Kia and Truck series.
dog gearboxes show
dog gearbox
01. When KAD decided to produce their own 5 speed race gearbox there were two main criteria which had to be met by the design. Firstly it should fit a standard gear casing without expensive modifications. Race engines can have blow ups and replacing an expensive casing just adds to the misery. Secondly it should be direct drive in fifth, we figured that this would offer the maximum torque output at the point where aerodynamic drag was at its greatest: high speed. The other 5 speed boxes on offer were all of the over driven fifth type which meant torque would be lost when engaging fifth. The end result is a no compromise race gearbox that is easy to use with gear ratios ideally suited to today¡¯s race tracks with their frequent slow to medium speed corners. The compact gear train fits into a standard A+ rod change gear casing and has straight cut gears with face dogs, typical of conventional racing gearboxes. The gears are manufactured from a vacuum arc remelted steel (VAR), this is a very high specification material which has higher strength and greater purity than commercially produced steels giving stronger gears and allowing a narrower gear width and lower frictional losses.

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dog gearboxes
02. New heavy duty five speed close ratio dog engagement gear kit design from British based ISO9001 approved manufacturer, part number: QKE7H. Designed for MA gearbox as used on the following applications:-Peugeot 205 Rallye; 106 Rallye & 106 GTi / S16. Citroen AX GT & GTi; Saxo VTR & C2 GT & VTS. Race proven by Paul Gardener in Castle Coombe Saloons class throughout 2007. Ideal for version kit (VK) rally classes or non-homologated disciplines. Super quick gear changes via latest four dog design. Straight cut, close ratios allow tuned engines to remain in power band with minimal power losses. Wider gears for superior durability when used in. Alas the MA gearbox is also a weak point for motorsport use, hence why renowned UK based transmission specialist Quaife Engineering has developed the ultimate in H-pattern five speed gear kits, designed to withstand the rigours of competition. Careful design using Quaife's 3D Solidworks CAD system, allied to precise CNC machining and extensive testing have culminated in the QKE7H, arguably the ultimate in MA motorsport gear kits.


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