Gearboxes
All our gearboxes are built 'in house' Our reputation for quality and workmanship is therfore assured. The gearboxes listed are our most popular.
Competition gear boxes are built to order, we can build and supply any Gearbox for fast road,track days and Motorsport. 4 speed or 5 speed.
email us at sales@avonbar-racing.co.uk
All reconditioned gearboxes are based on an exchange basis. We require an exchange gearbox that is free from damage and major defects and is rebuildable i.e. No cracked casings.
All reconditioned exchange gearboxes must be cleaned externally before exchange and we exchange like for like ie Your exchange gearbox that is fitted with say a 3.4 final drive will be exchanged for a 3.4. Upgrade options on final drive ratio available at extra cost.
We can arrange to have your old gearbox collected.
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Gearbox 4 Speed Straight Cut Close Ratio A+ 3.4 FD, Central Oil Pick up, Cross Pin Diff
Gearbox built with Original ST 4 Speed Straight Cut Close Ratio Gears in 4 synchro A+ rod Casing. Built using all new bearings, new baulk rings. Fitted with 3.4 Final Drive and Central oil pick up pipe. ST gear kit includes 1st 2nd 3rd gears, reverse gear laygear and 1st motion shaft.Gearbox 4 Speed Straight Cut Close Ratio A+ 3.4 FD, Central Oil Pick up, Cross Pin Diff
ABR9008
Gearbox Fully Rebuilt with 4 Speed Straight Cut Close Ratio Gearkit, new bearings, baulk Rings, layshaft in 4 synchro A+ Casing. 3.4 Final Drive, Fitted Central oil pick up pipe and Cross Pin Diff Unit.
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Gearbox 4 Speed Straight cut Close RatioA+ 3.4 FD, Central Oil Pick Up, Comp Diff Pin
A+ Gearbox Rebuilt with ST 4 Speed Straight Cut Close Ratio Gears in 4 synchro A+ Casing. 3.4 FD, Central oil pick up pipe. Standard Diff unit which is rebuilt and fitted with toughened Diff Pin.Gearbox 4 Speed Straight cut Close RatioA+ 3.4 FD, Central Oil Pick Up, Comp Diff Pin
ABR9007
Gearbox Fully Rebuilt with 4 Speed Straight Cut Close Ratio Gear kit, new bearings, baulk Rings, layshaft in 4 synchro A+ Casing. 3.4 Final Drive, Fitted Central oil pick up pipe. Standard Differential unit fitted toughened Diff Pin
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Gearbox 4 speed Straight Cut Close Ratio A+, Choice Of Final Drive, Central Oil Pick Up, LSD Inc Output Shafts & Straight Cut Drop Gears
A+ Gearbox 4 speed fitted with the ST Straight Cut Close Ratio gears Choice Of Final Drive, Central Oil Pick Up, LSD Inc Output Shafts & Straight Cut Drop GearsGearbox 4 speed Straight Cut Close Ratio A+, Choice Of Final Drive, Central Oil Pick Up, LSD Inc Output Shafts & Straight Cut Drop Gears
ABR9009
Built Gearbox 4 speed Straight Cut Close Ratio A+ Casing. Choice Of Final Drive,3.9, 4.1, 4.3, 4.6 Central Oil Pick Up, Clutch Plate Tranex LSD Inc Output Shafts & Straight Cut Drop Gears. Built with all new bearings, baulk rings, layshaft, Please state Final Drive required on order Sheet.
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Gearbox 4 speed Straight Cut Close Ratio. A+ Involute Dog Box, Choice Of Final Drive, LSD, Central Oil Pick up, Output shafts, Straight Cut Drop Gears
Competition Gearbox 4 speed Straight Cut Close Ratio. A+ Involute Dog Box, Choice Of Final Drive, LSD, Central Oil Pick up, Output shafts, Straight Cut Drop GearsGearbox 4 speed Straight Cut Close Ratio. A+ Involute Dog Box, Choice Of Final Drive, LSD, Central Oil Pick up, Output shafts, Straight Cut Drop Gears
ABR10001
Built Gearbox 4 speed Involute Straight Cut Close Ratio Dog Box, Choice Of Final Drive,3.9 4.1, 4.3, 4.6 Drilled for 5/16" sump screws.Tranex Clutch Plate LSD Pot joint Output Shafts, Central Oil Pick up, Straight Cut Drop Gear set. Please state which final drive is required on Order Sheet
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Gearbox Reconditioned Standard Ratio A+ Case 3.1 FD
Gearbox Reconditioned Standard Ratio A+ Case 3.4 Final Drive,Gearbox Reconditioned Standard Ratio A+ Case 3.1 FD
ABR9011A
Gearbox Reconditioned. Fully Rebuilt, new bearings, Baulk rings, Layshaft, Rebuilt Differential. Standard Ratio A+ Case 3.1 Final Drive, Will Fit Carburetter/Spi Cooper and All Other Minis
Exchange unit required Old unit must be cleaned and damage free on fins and no cracks or idler damage
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Gearbox Reconditioned Standard Ratio A+, 3.4 FD, Central Oil pick up & Comp Diff Pin
ABR9004
Gearbox Reconditioned. Fully Rebuilt, new bearings, Baulk rings, Layshaft, Rebuilt Differential with toughened Diff pin. Standard Ratio A+ Case 3.4 Final Drive,Fitted Central Oil Pick Up Will Fit Carburetter/Spi Cooper and All Other Minis.
Exchange unit required Old unit must be cleaned and damage free on fins and no cracks or idler damage
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Gearbox Reconditioned Standard Ratio A+, 3.4 FD, Central Oil Pick Up, Cross Pin Diff
Gearbox Reconditioned Standard Ratio A+, 3.4 FD, Central Oil Pick Up, Cross Pin DiffGearbox Reconditioned Standard Ratio A+, 3.4 FD, Central Oil Pick Up, Cross Pin Diff
ABR9005
Gearbox Reconditioned.Standard Ratio. Fully Rebuilt, new bearings, Baulk rings, Layshaft, Cross Pin Differential. A+ Case 3.4 Final Drive,Fitted Central Oil Pick Up Will Fit Carburetter/Spi Cooper and All Other Minis.
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Gearbox Reconditioned Standard Helical Ratio A+, 3.1 FD, Cross Pin Diff Pin
Gearbox Standard Ratio A+, 3.4 FD, Comp Diff Pin Central oil pick up pipeGearbox Reconditioned Standard Helical Ratio A+, 3.1 FD, Cross Pin Diff Pin
ABR9002
Replacement Gearbox Reconditioned.Standard Ratio. A+Fully Rebuilt, new bearings, Baulk rings, Layshaft, Cross Pin Diff 3.1 Final Drive, Will Fit Carburetter/Spi Cooper and All Other Minis.
Exchange unit required Old unit must be cleaned and damage free on fins and no cracks or idler damage
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Gearbox Reconditioned Standard Turbo Ratio A+ 3.2 Final drive Central Oil pick up, Cross Pin Diff
This gearbox is our most popular for use in Turbo's as well as non turbo applications. The higher final drive makes for a more relaxed drive. gearing is almost 19.4mph per 1000rpm ( depending on tyres fitted ).Gearbox Reconditioned Standard Turbo Ratio A+ 3.2 Final drive Central Oil pick up, Cross Pin Diff
ABR9006
Gearbox, reconditioned Standard Helical Ratio. A+ Fully rebuilt new bearings, Baulk Rings, Layshaft,Cross Pin Differential, Central Oil Pick Up Pipe, 3.2 Turbo Final Drive.
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Gearbox Reconditioned Standard Helical Ratio A+ 3.4 Final Drive, Comp Diff Pin
Gearbox Standard Ratio A+ 3.4 Final Drive, Comp Diff PinGearbox Reconditioned Standard Helical Ratio A+ 3.4 Final Drive, Comp Diff Pin
ABR9003
Gearbox, reconditioned Standard Helical Ratio. A+ Fully rebuilt new bearings, Baulk Rings, Layshaft,Hardened differential Pin.