PPG has developed a high-performance, 6-speed sequential, dog-engagement gear system for Subaru WRX STI models that are fitted with an OEM 6-speed gearbox. Working with Rocket Rally Racing (Subaru Canada) the gearbox has been designed to cope with the demands of top-level motorsport and can be used for race, rally, sprint, hill climb and Time Attack applications, meeting regulations for Open Class, USA & Canada Rally Championships, World Time Attack and a range of domestic series’ in various countries.​

Sequential gear set specification• 6-speed sequential, motorsport configuration: R-N-1-2-3-4-5-6• Shot-peened steel billet gear-shift forks and gears• Billet gear shift lever assembly, including mount• Billet aluminium mid-plate• Precision engineered straight-cut tooth profile• Gear set drops directly into manufacturer’s gearbox casing• PPG proprietary 6-dog ring design, for fast and precise shifting• Motorsport grade steel used for all gears, heat treated for strength, durabilityand longevity​Sequential gear shift specification​• Gill Sensors Blade 360˚non-contact rotary gear position sensor• World-leading sub-70ms gearshift• Geartronics LED display• Gear shift via rod operation, with integrated reverse detent lock out• Low-mass billet T606 aluminium H-section gear stick, with integrated reverse lever• Low-friction dual ball-bearing shifter pivot• Unique reversible design compatible with LHD and RHD installations• Optional motorsport load cell for flat up-shift and throttle blip down-shift