New Agency Power Under Drive Crank Pulley Mercedes- Benz C63 AMG
The Best of Mercedes & AMG
something like thatBut yeah it seems like it made a very slight difference, but probably nothing close to the advertised gains
most likely closer to the sub 10hp range, than anywhere near the teens.That being said...even if it does manage to free up 10hp...for the price, it's actually a very good mod. But there aren't enough people that have it for me to personally make the purchase just yet. That and the whole undampened crank pulley debate that will always rage on.







If I buy this pulley, Dyno the car before and after and this pulley makes no power like you have claimed... What happens with the $600? offer a refund policy or..?
Its like Carbonio air boxes spent a lot of $$ and got 0 gains before and after after they claimed 20hp.
I have a p31 with lighter internals and want to see more long term testing before being the giunny pig.i also have a 7500rpm red line on my car and that will always be in the back of my mind every time I get on it hard.
now if you guys make a pulley kit to offset the stock main pulley with a water pump,power steering and alternator pulley I would definitely go for that over the crank pulley.



I have a p31 with lighter internals and want to see more long term testing before being the giunny pig.i also have a 7500rpm red line on my car and that will always be in the back of my mind every time I get on it hard.
now if you guys make a pulley kit to offset the stock main pulley with a water pump,power steering and alternator pulley I would definitely go for that over the crank pulley.








I wouldn't be caught dead putting any of this Vivid/AP garbage on my car. ****ing crooks.





