The fee for Overkill Modifieds is $34. This includes shipping around the world, new free assorted color logo decals, an engine rebuild and oiling, and of coarse, the machinework for the Overkill mod. No extra charge is due in any occasion unless replacement parts are requested. If your engine requires replacement parts to be installed, please include them in the same package you are sending your engine with. If you want to, we can also purchase and install the parts. We will charge retail price, but tax will be covered in your purchase. This also goes for hop ups - if you want a hop up installed, send it in or pay for it.

We perfer cash or money order. We know how it may be risky it might be to send cash through just an envelope, but if you don't want to go to the bank, you can stuff some cash into the safe package with your engine.

Usually, when the engines arrive, we port them the same day and send them out the next day through Priority Mail. This will usually take about 9 days form the day you send it.