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Discussion Starter · #1 ·
hi all ,i have for sale an os88 sequential 6 speed gearbox for sale with gear dash display ,and crossmember to suit .just had refresh at rb motorsport who have always looked after the box for me from start of my ownership thanks
looking for £5k.thanks
like this Product
 

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Discussion Starter · #3 ·
i will find out the ratios ,i have it down somewhere ,reason for selling is i have gone over to autobox.
 

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Discussion Starter · #5 ·
Do these need an over haul regularly? How reliable are they compared to a holinger say, not read much about this box
hollinger is a better box and all sequentials need regular overhauls i think osgiken recomend every 5000km but really as and when it needs it.
 

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Discussion Starter · #6 ·
nice Box,

is it standard Ratio?

and your reason of selling?(obviously you must be running high figures for this Box initially) you changing to something different?
think these ratios but will check with rb Option ratio 2: 1st – 2.890 / 2nd – 1.981 / 3rd – 1.468 / 4th – 1.174 / 5th – 1.00 / 6th – 0.757
 

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Discussion Starter · #9 ·
THE box has done one day at dyno since last rebuild ,i bought the box off a guy on here a few years ago
 
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