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GTUK specialise in the supply of new, refurbishment and upgrade of race transmissions for Aston Martin vehicles. Both six and seven speed transmission variants are supported and we remain the preferred race team supplier for these durable transmissions.

Additionally, in conjunction with Caral Automotive ( a range of kits has been developed to allow a six speed h-pattern manual transaxle to be mounted to the most popular V8 engines, including the GM LS3, LS7 & LS9 engines as well as the Ford Coyote 5.0l V8, Ford 302 SB, Ford V6 Ecoboost and an ever growing application list which also includes the Jaguar AJV8 engines,Toyota and BMW range of V8 engines.

Fitting kits include an adaptor plate, flywheel, twin plate organic clutch, starter motor, ring gear and concentric slave cylinder. Caral Automotive can also assist with gear change kits and gearbox mounting kits, as well as providing technical help and assistance.

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