Compatible Models---These bolts and cylinder head studs kit compatible with 1999-2008 Sportrax 400 TRX400EX 2x4, 2009 2012 2013 2014 TRX400X 2x4
Material---These polished stainless engine bolt screw and head studs kit are made of high hardness steel or alloy material, which is reliable and sturdy, not easy to break or deform. They can increase the life of your car's engine
Easy to Install---Just directly replace the old rusted bolts, improve car performance
Promise---All screws and washers are polished and then cleaned to remove excess polish material. You will never get a bag of dirty bolts and unpolished or missing washers from BIGLKNM