This is a bolt on kit with no machining required.  Pistons us pump or race gas.  Everything is new in the original packaging.  We are an authorized distributor and the original manufacturers warranty applies.

Please check your order completely when you receive it and if you have any issues at all contact us right away so we can fix them.  If you are not 100% happy with what you receive we will do what it takes to change that.  Negative feedback hurts everyone.  Give us a chance to make things right.

***We ALWAYS STRONGLY recommend that this kit be installed by a qualified mechanic with experience working on these types of motors.  Pistons come with specific instructions for setting ring gap.  If you do not follow these your motor will fail.  Warranty does not cover any failure that is a result of improper installation, improper tuning, improper break in, or misuse.  For any warranty to be considered the part(s) in question must first be sent to us for inspection.  We can not warranty any parts based on phone calls or photos alone.