Aluminum engine bolts kit. All screws to replace the originals on secondary engine casings, including clutch cover, water pump, alternator and pinion cover. Hardware kits are easy to assemble - remove one screw at a time and replace with an identical length. Mainly M6 size and 5mm Allen key. The screws are made from 7075 aluminum which are incredibly 60% lighter than the stock. With 7 colors to choose from, your machine will really stand out from the crowd. Also included in the kit: a tube of pro-lube and Allen keys. Instructions provided for tightening torque.