Exclusively available from Gearboxman

Heavy duty semi-helical design

Synchromesh engagement

Constructed from EN36 (9310) heat-treated steel

Wide or close ratio

Supplied with new steel front cover (casing has to be enlarged to fit "great big gears" through!)

Supplied with new heavy duty one-piece operating block

Optional uprated selector forks

5th gear runs on needle rollers

In stock NOW!

vast range available

fast-road to race, rally, off-road, hill-climb, sprint, etc.

manufactured from high-grade alloy steels

improved strength

optimised ratios for improved driveability

straight-cut or helical-cut option on some kits

heavy duty selector forks supplied where original has a known weakness

instructions provided

we can supply or fit this kit for you - just ask!

straight-cut motorsport-specification kits

we can supply or fit these kits - just ask!

Discontinued Products:

Please note that discontinued items will not appear on the website, however, servicing and repairs are still available.

Please use the "contact us" link above for further information.