i rented to the tool to install it but it would help if they gave u a extra deep or some sorta of spacer to turn the nut to press on the balancer, If the key way on the crankshaft is messed up ill just use a chisel and buy a new key way for the crank
and it is till allittle bend...also i just used a stock balancer because i need my car the next day and that was the only one i could get on a moments notice.