Originally posted by Sow&Steady
It should fit in the 705 chasis too because the three screws to the chassis are in the same position. You may beed to change screws though ...
Looks like the 710 one used M3 screws with a locknut just like the regular 710 bumper and not the 3,5mm selftapping screws like the Impact.
I prefer to use aluminum on my 705 there anyway. That way in a big frontal hit, the screws will bend or break before my precious 4mm chassis bends...