Click to enlarge H6S "H" patern

These gearboxes are designed mainly for front engine rear wheel drive competition cars. These gearboxes are suitable for everything from racecars to dragcars:
H6S
H6S-SEQ
H6S-DV Viper gearbox
HTA
HDB Drag gearbox

Dog Change Conversion Kits

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These kits are designed to fit into O.E transmission cases with little or no modifications. Rather than utalising the standard synchronisers our kits feature face dog engagement and the following properties: :

Wider Gears
Stronger Gear Profiles
Shorter, Faster Gear Shifts
Alternative Ratios

These attributes provide significant performance and durability improvements to the car whether it be, circuit, rally or drag.

We make conversion kits for:
Mitsubishi Lancer EVO 6 & 7
Subaru Impreza WRX Version 4, 5 & 6
Porsche 996 GT3
Porsche 996 GT3 Sequential Kit
Lamborghini Diablo Sequential Kit