Doing some research for a mate and wondering if any of you can help what gearbox can we get into his mk5 zetec s it's got puma engine and we are trying to get a higher top end as there's no point in doing cams and all that if it tops out at 140ish so better ratios or what engines can go in it without so much hassle also any other help would be most appreciated thanks

 

Try find a 1.6 focus the gearbox fits straight on as its basically a zs engine and gearing is same as racing puma

 

Thanks will take that in mind got any other ideas also would anything else be needed for that gearbox custom mounts ? Anything