25-02-2018, 04:30 PM
I might be able to help with a set of new R4 58mm 3 ring solid skirt pistons. They were available with 16mm and 18mm gudgeon pins.
I pistons I have are 16mm pins. If this suits your R4 rods get back to me and I will give you more details.
I pistons I have are 16mm pins. If this suits your R4 rods get back to me and I will give you more details.