Pete doughty box is around 2100 and i never broke it at all and i did lots of 6k launching

However you will then do rear diffs like there made of chocolate unless you uprate that too

I had the same thoughts as you simon and 7 gearboxes later brought a doughty

Buy once buy right

Buy Wrong keep buying

Nige

Doughty Precision Engineering
115 Sherbrooke Road, Daybrook, Nottingham, NG5 6AR
T: 0115 926 2073

pete will sort you out with the bollox